Information and Facts • Piscine and Common Core • Common Core Projects • Cybersecurity • Wikimedia Foundation • Campuses • Miscellaneous

- - - -

Trivia • Rewards • Network • Social • Scroll To Top

Trivia

Facts about 42 schools and the number 42.

Website	Description	Source
42 School	What is 42 School?	Wikipedia
The Hitchhikers Guide to the Galaxy	What is The Hitchhikers Guide to the Galaxy?	Wikipedia
Why the number 42?	Why is 42 the answer to life, the universe, and everything?	Wikipedia
42 and Douglas Adams	What is the connection between 42 and Douglas Adams?	Youtube
Epic Gandalf Sax - 42 School Paris	One of the most epic moments in 42 Paris.	Youtube

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Rewards

Rewards that you have access to as a 42 student.

Website	Description	Source
GitHub Student Pack	Portal to activate the GitHub Student Pack with 42 email.	Website
GitHub Student Pack Rewards	List of all the rewards and tools available.	Website

---

Network

Main websites of 42 Network.

Website	Description	Source
42 Intra	Official portal for everything related to 42.	Intra
Clusters	Check who is online in the 42 school cluster.	Intra
F.A.Q	Frequently asked questions about the school.	Intra
42 API	Documentation to build an application with 42 API.	Intra
Slack	Official slack channel for 42 students.	Slack
Stack Overflow	Official 42 forum.	Website

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Social

For a specific 42 school social media, check the section Campuses and choose a school.

Website	Description	Source
42 Network	Official website of 42 Network.	Website
Instagram	42 Network's Instagram profile.	Instagram
Youtube	42 Network's YouTube channel.	Youtube
Twitter	42 Network's Twitter handle.	Twitter
Facebook	42 Network's Facebook page.	Facebook
LinkedIn	42 Network's Linkedin profile.	LinkedIn
GitHub	42 Network's GitHub page.	GitHub
Official Discord	Official Discord server of 42 Network.	Discord
Unofficial Discord	Unofficial Discord server related to 42 Network.	Discord

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Exams • Peer-To-Peer • Websites • Guides • Extensions • Grammar • Broswer • Apps • Readme • Productivity • Others • Scroll To Top

Exams

Websites that I found useful for studying 42 exams, some are outdated but still useful.

Website	Description	Source
GradeMe	Simulate piscine and common core exams.	Website
Piscine and Common Core Exams	Questions and solutions.	GitHub
Piscine Exams (outdated)	Questions and solutions.	Website
Piscine Final Exam Exercices (outdated)	Final exam exercices resolution.	GitHub
Common Core Exams (outdated)	Questions and solutions with mains.	Website

---

Peer-To-Peer

Information about peer-to-peer evaluation, and beginner videos about Shell and Git.

Website	Description	Source
P2P, Shell and Git Basics	YouTube playlist covering P2P, Shell, and Git basics.	Youtube
P2P - Evaluation - 01	What to do before the evaluation? (as evaluated student)	Youtube
P2P - Evaluation - 02	What to do before the evaluation? (as evaluator)	Youtube
P2P - Evaluation - 03	What to do during the evaluation?	Youtube
P2P - Evaluation - 04	What to do after the evaluation? (as evaluated student)	Youtube
The Art of Peer-Evaluation	Peer-to-Peer evaluation state of mind and rules you should know.	42 PDF

---

Websites

Websites that I found useful in my 42 journey.

Website	Description	Source
42 Evaluators	Calculator, Leaderboard, PeerFinder, Blackhole, Stats, ...	Website
42 XP Calculator	Calculate how much exp you need for the next level.	Website
Find Peers	Find peers working on the same project.	Website
S42	Clusters from various 42 schools.	Website

---

Guides

Guides and walkthroughs to navigate 42 Piscine and Common Core.

Website	Description	Source
42 Cheat Sheet	An awesome cheatsheet for C and 42 in general.	GitHub
Developer Roadmaps	Roadmaps, guides, and other educational content.	Website
tldr-pages	Community-maintained help pages offering simplified explanations.	GitHub
rsapkf	5000+ links that rsapkf used in the past to learn programming.	Website

---

Extensions

VS Code extensions for enhancing your development experience.

Website	Description	Source
42 C-Format	Automaticly formats .c files with norm v3.	Website
42 ft count line	Displays how many lines each function as.	Website
42 Header	42 header integration in VS Code.	Website
42 Norminette	This extension is a norminette decorator for 42 in VS Code.	Website
Norminette 42	This extension is a norminette decorator for 42 in VS Code.	Website
Norminette Highlighter v3.x	This extension is a norminette decorator for 42 in VS Code.	Website

---

Grammar

Tools to have correct communication and documentation.

Website	Description	Source
Grammarly	Writing assistant for grammar and punctuation.	Website
LanguageTool	Grammar and style checker for multiple languages.	Website
QuillBot	Tool for paraphrasing and improving writing.	Website
Urban Dictionary	Slang dictionary with user-contributed definitions.	Website
Wiktionary	Online dictionary and language reference.	Website

---

Browser

I recommend installing Improved Intra 42, an all-in-one extension for Chrome and Firefox.

Website	Description	Source
Improved Intra 42	Browser extension for Chrome and Firefox to enhance the Intra 42 experience.	GitHub
Better Black Hole	Extension available for Chrome and Firefox. Improves Black Hole functionality.	GitHub

---

Apps

Available apps for Android and iOS.

Website	Plataform
Intra 42 Mobile App	Android
Intra 42 Mobile App	iOS

---

Readme

Insights on crafting effective README files and integrating badges for your projects.

Website	Description	Source
README.md Generator	Create your GitHub README.md simply and quickly.	Website
Badge 42	Dynamically generated 42 badges for your git readmes.	GitHub
42 Project Badges	Badges designed for 42 curriculum projects.	GitHub
1337 Readme	Share your progress via GitHub README.md.	GitHub
42 Unlicense	Flavoured version, based on the Unlicense public license.	GitHub
GitHub Social Preview	Auto generate a social preview image for your repository.	Website

---

Productivity

Software designed to simplify tasks, and streamline workflow.

Website	Description	Source
Obsidian	Private and flexible writing app that adapts to how you think.	Website
Notion	Freemium productivity and a note-taking web application developed by Notion Labs Inc.	Website
Trello	Ultimate project management tool.	Website
Scribe	Turn any process into a step-by-step guide, instantly.	Website
Evernote	Note-taking and task management application.	Website
Motion	Automatically prioritize tasks, schedule meetings, and resolve calendar conflicts.	Website
Lucidchart	Web-based diagramming application.	Website

---

Others

Resources of no particular order but that I feel you should know.

Website	Description	Source
Oh My Zsh!	Open source, community-driven framework.	GitHub
Oh My Zsh! Plugins	List of plugins for Oh My Zsh!	GitHub
PowerLevel10k	A customizable zsh theme focusing on speed, flexibility, and user experience.	GitHub
tmux	Terminal multiplexer, lets you switch between several programs in one terminal.	GitHub
catppuccin	Community-driven pastel theme.	GitHub
Neofetch Themes	Compilation of Neofetch configurations gathered in one location.	GitHub
OnlineGDB	Debugging online tool. (learn how to use gdb or lldb)	Website
Python Tutor	Online compiler and debugger for Python, JavaScript, C, C++, and Java.	Website
Thonny	Thonny is an IDE for Python designed for beginners.	Website
Sublime Text	Sophisticated text editor for code, markup, and prose.	Website
Replit	IDE, compiler, and interpreter, in +50 languages.	Website
RP42	Discord addon integration for 42 School.	GitHub
Installette	Script to install Norminette, Norminette Formatter, Vim, and 42 Header.	GitHub
42 Toolbox	A bunch of scripts to improve your life at 42.	GitHub
CS50	Course on thinking algorithmically and solving problems efficiently.	Website
Reeborg's World	Website designed to help people learn to program through gaming puzzles.	Website
Parrot Live	Allow any computer with curl to display an animated party parrot.	GitHub
Let Me Google That For You...	Politely ask someone to Google but don't be afraid to ask for help!	Website
Fake Update	Fake update screens! F11 - Fullscreen ESC - Exit ENTER - BSOD	Website
Don't Write Comments	Why you shouldn't write comments in your code (write documentation).	Youtube
No Hello	Please, don't say just hello in chat.	Website
Nerd Fonts	Iconic font aggregator, collection, and patcher.	Website
Everything I wish I knew when learning C	Tips and tricks for learning C.	Website
C Static libraries	All you need to know about C static libraries.	Website

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Subjects • All-In-One Testers • Libft • Born2beroot • Ft_printf • Get_next_line • Minitalk • Pipex • Minilibx • So_long • Fract-ol • Fdf • Push_swap • Philosophers • Minishell • Netpractice • Cub3d • MiniRT • CPP Module (00-09) • Webserv • Ft_irc • Inception • Ft_transcendence • Scroll To Top

Note

The subjects at 42 undergo regular updates, so the information provided below might not be current. Additionally, as some projects are optional, resources might not be available if I haven't completed them.

Subjects

Repositories with all 42 subjects and additional files in one place, some are outdated but still useful.

Resource	Source	User
42 Subjects	GitHub	rphlr
42 Holygraph (outdated)	GitHub	akaylee
42 Subjects and Corrections (outdated)	GitHub	Binary-Hackers
42 Subjects (outdated)	GitHub	agavrel

---

All-In-One Testers

Test your code with already-made all-in-one testers.

Resource	Source	User
francinette	GitHub	xicodomingues
42-Cursus-Tester	GitHub	Abaker-Hype
42-Tests	GitHub	Kwevan

---

Libft

Resource	Source
Libft - C Standard Library Rewrite	Website
Easy Makefile	Website
Master Memory Management	Medium
Make-A-Make: Clear the fog around Makefiles	GitHub

Project	Source	User
42's libft with comments	GitHub	pbie42

Tester	Source	User
francinette	GitHub	xicodomingues
libftTester	GitHub	Tripouille
libft_file_checker	GitHub	Nuno-Jesus
libft-unit-test	GitHub	alelievr
Libftest	GitHub	jtoty
libft-war-machine	GitHub	0x050f

---

Born2beroot

Video Resource	Source	User
Linux Directories Explained in 100 Seconds	Youtube	Fireship

Guide	Source	User
Born2beroot	GitHub	lbordonal
Born2beroot Guide	GitHub	pasqualerossi
Born2beroot Tutorial	GitHub	gemartin99
Born2beroot Walkthrough	GitHub	HEADLIGHTER

Tester	Source	User
Born2BeRootTester	GitHub	Pixailz
Born2beroot-Tester	GitHub	gemartin99

---

Ft_printf

Resource	Source
C Tutorial – printf	Website
printf Reference	Website
IEEE-754 Floating Point Converter	Website
Printing Floating-Point Numbers	Website
printf(3) — Linux manual page	man7
printf invocation (GNU Coreutils 9.4)	GNU
Formatted Output (The GNU C Library)	GNU
Table of Output Conversions (The GNU C Library)	GNU
Printing Floating-Point Numbers Quickly and Accurately with Integers	PDF

Project	Source	User
printf / sprintf Implementation for Embedded Systems	GitHub	mpaland

Tester	Source	User
Debugging with main.c	GitHub	Kuninoto
francinette	GitHub	xicodomingues
printfTester	GitHub	Tripouille
ft_printf_tester	GitHub	paulo-santana

---

Get_next_line

Resource	Source
get_next_line: My first complex program	Website
Master File I/O Operations	Medium
get_next_line - 42 Docs	GitHub

Video Resource	Source	User
Read A Specific Line From A File | C Programming Example	Youtube	Portfolio Courses
get_next_line explained: develop a function that reads a file line by line	Youtube	Oceano
understanding get_next_line	Youtube	nikito

Tester	Source	User
francinette	GitHub	xicodomingues
gnlTester	GitHub	Tripouille
gnl-station-tester	GitHub	kodpe

---

Minitalk

Resource	Source
Bitwise Operators in C/C++	Website
How to use signal handlers in C language?	Website
include/linux/signal.h - Linux source code (v6.6.2)	Website
Beej's Guide to C Programming - 29 Signal Handling	Website
Beej's Guide to C Programming - Bit-Fields	Website
Beej's Guide to C Programming - What is Unicode?	Website
42-Bitwise_Operators	GitHub

Video Resource	Source	User
Sending and Handling Signals in C (kill, signal, sigaction)	Youtube	Jacob Sorber
Short Introduction to Signals in C	Youtube	CodeVault
Handling Signals	Youtube	CodeVault

Project	Source	User
Minitalk	GitHub	mlanca-c
minitalk	GitHub	j4k0m

Tester	Source	User
francinette	GitHub	xicodomingues
minitalk-Tester	GitHub	ThibaudM13
Lipsum generator: Lorem Ipsum	Website
Get Emoji	Website
EmojiDB	Website

---

Pipex

Resource	Source
Consequences of Process Termination	Website
Creating Pipes in C	Website
SIGTSTP signal not stopping child?	Stack Overflow
pipex tutorial — 42 project	Medium
wait(2) — Linux manual page	man7
execve(2) — Linux manual page	man7
Stanford Lecture 07: Signals	PDF

Video Resource	Source	User
Unix Processes in C	Youtube	CodeVault
Pipes Explained (Spanish)	Youtube	WhileTrueThenDream

Project	Source	User
pipex.c	GitHub	malikfassi

Tester	Source	User
pipexMedic	GitHub	gmarcha
pipex-tester	GitHub	vfurmane
PIPEX_TESTER	GitHub	ael-bekk
francinette	GitHub	xicodomingues

---

Minilibx

Note

The links in this section are the most useful for so_long, fract-ol, fdf, cub3d and minirt.

Resource	Source	User
What is it? | MiniLibX	GitHub	gontjarow
MiniLibX - 42 Docs	GitHub	harm-smits
minilibx-linux	GitHub	42Paris
images_example	GitHub	keuhdall
ft_libgfx	GitHub	qst0
MiniLibX(3) | ft_libgfx	GitHub	qst0
MLX42	GitHub	codam-coding-college
miniLibX sample	GitHub	S-LucasSerrano
raylib	GitHub	raysan5
miniaudio	GitHub	mackron
MiniLibX Tutorial	Blog	pulgamecanica
MLX Animations	Blog	pulgamecanica

---

So_long

Resource	Source
How to Make Pixel Art in GIMP	Website
itch.io	Website
OpenGameArt.org	Website
8-Bit Dungeon Tileset/Sprites	Website
42: A Comprehensive Guide to So Long	Website

Project	Source	User
so_long	GitHub	madebypixel02

Tester	Source	User
so_long_invalidator	GitHub	Nuno-Jesus
so_long_tester	GitHub	augustobecker

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Fract-ol

Resource	Source
Fractal	Wikipedia
List of fractals by Hausdorff dimension	Wikipedia
Plotting algorithms for the Mandelbrot set	Wikipedia
Tricorn (mathematics)	Wikipedia
The Mandelbrot Set	Website
Julia and Mandelbrot Sets	Website
Recursion Trees	Website
Sierpinski Fractals	Website
Managing events with the minilibx	Website
Pixel drawing with the minilibx	Website
Getting started with the minilibx	Website
How to plot the Mandelbrot set	Website
Efficiently generating the Mandelbrot and Julia sets	Website
Fractal Pack 1 Educators’ Guide	Website
How to Plot the Mandelbrot Set By Hand	Website
Mandelbrot Interactive Online	Website
Julia Set Mathematics	Website
Mandelbrot & Julia Sets - Interactive visualization of fractals	Website
Tutorial 3 : Matrices	Website

Video Resource	Source
Brute Force Processing	Youtube
The dark side of the Mandelbrot set	Youtube
Beyond the Mandelbrot set, an intro to holomorphic dynamics	Youtube
Marble Marcher - A Fractal Physics Game	Youtube
Realtime 3D Fractal Renders	Youtube
Sounds of the Mandelbrot Set	Youtube
The Mandelbrot Set	Youtube
What's so special about the Mandelbrot Set?	Youtube
The Mandelbrot Set	Youtube
This equation will change how you see the world (the logistic map)	Youtube

Project	Source	User
fract-ol	GitHub	mcombeau
fract-ol	GitHub	inesalves44
fract-ol	GitHub	Xyckens
ft_fractol	GitHub	librity

---

Fdf

Resource	Source
Bresenham's Line Algorithm	Website
A* Search Algorithm	Website
Learning Modern 3D Graphics Programming	Website
A Probably Terrible Way to Render Gradients	Website
8.2 - Orthographic Projections — LearnWebGL	Website
Hexadecimal / Decimal Colors	Website
PNG to XPM Converter Online	Website
3D Rendering with Rotation and Projection	Youtube

Project	Source	User
FdF	GitHub	VBrazhnik
42Barcelona-FdF	GitHub	ailopez-o

Tester	Source	User
42MapGenerator	GitHub	jgigault
RANDOM.ORG Integer Sets	Website

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Push_swap

Resource	Source
Sorting Algorithms	Website
QuickSort – Data Structure and Algorithm Tutorials	Website
QuickSort on Singly Linked List	Website
Move last element to front of a given Linked List	Website
Algorithm Wiki	Website
Sorting Algorithms Animations	Website
Leet Code - Sort List	Website
Recursion in Sorting	Website
HeapSort	Website
Memory Pools	Website
Linked lists	Website
Pushswap Epitech Project	Website
Recursion and sorting algorithms	Website
Computer Science	Website
push_swap Resources	Website
Push_Swap Tutorial	Medium
The least amount of moves with two stacks	Medium
A journey to find most efficient sorting algorithm	Medium
Pivoting To Understand Quicksort [Part 1]	Medium
Pivoting To Understand Quicksort [Part 2]	Medium
Sorting Out The Basics Behind Sorting Algorithms	Medium
Making Sense of Merge Sort [Part 1]	Medium

Video Resource	Source	User
Stacks | Chapter-6 | Data Structures	Youtube	Neso Academy
Push_Swap Project from 42 for Twilio Application	Youtube	JOHN PARK
Algorithms	Youtube	Inside code
Algorithms: Quicksort	Youtube	HackerRank
Heap sort in 4 minutes	Youtube	Michael Sambol

Project	Source	User
Push_Swap	GitHub	anyaschukin

Tester	Source	User
push_swap_visualizer	GitHub	o-reo
push_swap_visualiser	GitHub	Niimphu
Push-Swap-Tester	GitHub	gemartin99
push_swap_tester	GitHub	laisarena
push_swap_leak_tester	GitHub	IDC87
Push Swap Visualizer and Number Generator	Website	vercel
Number Generator	Website

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Philosophers

Resource	Source
Dining Philosophers Problem	Wikipedia
Deadlock	Wikipedia
Race condition	Wikipedia
The Dining Philosopher’s Problem	Medium

Video Resource	Source	User
Unix Threads in C	Youtube	CodeVault
The Dining Philosophers Problem	Youtube	Neso Academy
Philosophers, 42 School Project	Youtube	Jamshidbek Ergashev

Tester	Source	User
philosophers-visualizer	Website	nafuka11
socrates	GitHub	nesvoboda
philosophers_test	GitHub	cacharle
Philosphers-42Project-Tester	GitHub	newlinuxbot

---

Minishell

Resource	Source
GNU Bash manual	Website
Explain Shell	Website
Tutorial - Write a Shell in C	Website
Shell Command Language	Website
How to Use "Here Documents" in Bash on Linux	Website
Writing a Unix Shell - Part I	Website
Writing a Unix Shell - Part II	Website
Writing a Unix Shell - Part III	Website
Tiny Shell - Case Study	Website
42Cursus-Minishell	Medium
Writing Your Own Shell	PDF

Video Resource	Source	User
Unix Processes in C	Youtube	CodeVault
Shell Program Explained	Youtube	hhp3

Project	Source	User
42_minishell	GitHub	DimitriDaSilva
mysh	GitHub	Swoorup

Tester	Source	User
42_minishell_tester	GitHub	zstenger93
minishell_tester	GitHub	thallard
mpanic	GitHub	ChewyToast

---

Netpractice

Resource	Source
Medium	Medium
ipcalc	Website
IP Subnet Calculator	Website

Video Resource	Source	User
Free CCNA | Subnetting	Youtube	NetworKing
What is Subnetting?	Youtube	Practical Networking
Default Gateway Explained	Youtube	PowerCert Animated Videos
Subnet Mask - Explained	Youtube	PowerCert Animated Videos

Project	Source	User
NetPractice	GitHub	ifanzilka
netpractice	GitHub	hexanyn
NetPractice	GitHub	lpaube

---

Cub3d

Game	Source
Wolfenstein 3D	Game

Resource	Source
Lode's Computer Graphics Tutorial	Website
Computer Graphics from Scratch	Website
Ray-Casting Tutorial	Website
x.org Documentation	Website
libX11 Documentation	Website

Video Resource	Source	User
Online Computer Graphics II	Youtube	raviramamoorthi
Binary Space Partitioning	Youtube	Mathematics...
Super Fast Ray Casting in Tiled Worlds using DDA	Youtube	javidx9
Make Your Own Raycaster - Part 1	Youtube	3DSage
Make Your Own Raycaster - Part 2	Youtube	3DSage
Make Your Own Raycaster - Part 3	Youtube	3DSage
Introduction to the MinilibX	Youtube	Oceano

Tester	Source	User
cub3D_map_tester	GitHub	humblEgo
42_cub_tester	GitHub	realisticDonut

---

Minirt

Resource	Source
Bits to Bitmaps: A simple walkthrough of BMP Image Format	Medium
Ray Tracing And Global Illumination	Website
Ray Tracing in One Weekend — The Book Series	Website
Raytracing shapes	Website
miniRT Figma	Website
Unit 15: Rendering	Website
Writing a Raytracer in Rust - Part 1 - First Rays	Website
Ray Tracing In A Nutshell	Website
The BMP file format	Website
Accelerated Ray Tracing in One Weekend in CUDA	Website
Graphics Programming Projects	Website
Ray Tracing Intro - Cornell Computer Science	PDF
Ray Tracing with the BSP Tree	PDF

Video Resource	Source	User
Essence of linear algebra	Youtube	3Blue1Brown
Ray Tracing Essentials, Part 1: Basics of Ray Tracing	Youtube	NVIDIA Developer

Project	Source	User
miniRT	GitHub	martingarcialopez
miniRT-for-Linux	GitHub	eljommys
raytracer	GitHub	matboivin
42_miniRT	GitHub	Nuno-Jesus

Tester	Source	User
minirt_mesh_converter	GitHub	matboivin

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CPP Modules (00-09)

Note

The 42 intra videos have bad fame, but in C++ they are good, so I recommend watching them first before watching any guides.

Resource	Source
cppinsights	Website
godbolt	Website
learncpp	Website
cppreference	Website
cplusplus	Website
cprogramming	Website
cplusplus C++ Language (C++98)	Website
C++ Programming Language - Guide	Website
Pointers to members (C++ only)	Website
Introduction to Fixed Point Number Representation	Website
Using the GNU Compiler Collection (GCC)	Website
Subscripting [] Operator Overloading in C++	Website
An Introduction to "Iterator Traits"	Website
cppinsights	Website
godbolt	Website
learncpp	Website
cppreference	Website
C++ Core Guidelines	GitHub
C++ Primer (5th Edition)	PDF

Video Resource	Source	User
(Life) Advice From The Creator of C++	Youtube	Honeypot
31 nooby C++ habits you need to ditch	Youtube	mCoding
The C++ Conference	Youtube	CppCon
Welcome to C++ (101 videos)	Youtube	The Cherno
C++ Weekly With Jason Turner	Youtube	lefticus1
TLDR - CPP00 [42]	Youtube	Lucas Kuhn
Fixed Point Arithmetic 1: Intro to Fixed Point	Youtube	Creel
Fixed Point Arithmetic 2: Multiplication and Division	Youtube	Creel
Overloading C++ Stream Insertion, Extraction Operators	Youtube	LearningLad
Advanced C++: All Castings Considered - Part I	Youtube	Bo Qian
C++ Tutorial for Beginners 45 - C++ Map	Youtube	ProgrammingKnowledge

---

Webserv

Resource	Source
HTTP Made Really Easy	Website
CGI Made Really Easy	Website
Beej's Guide to Network Programming	Website
RFC Index	Website
The Hypertext Transfer Protocol	Website
RFC 7231 (HTTP/1.1 messages)	Website
RFC 7230 - Hypertext Transfer Protocol (HTTP/1.1)	Website
Exploring the HTTP request syntax	Website
Redirections in HTTP - MDN Web Docs - Mozilla	Website
The WWW Common Gateway Interface Version 1.1	Website
Getting Started with CGI Programs	Website
Nginx Server and Location Block Selection Algorithms	Website
What is client_max_body_size in Nginx	Website
Creating NGINX Plus and NGINX Configuration Files	Website
Editing web server configuration files	Website
NGINX Beginner’s Guide	Website
Nginx Configuration File Structure and Contexts	Website
Dealing With and Getting Around Blocking Sockets	Website
C++ File Handling: How to Open, Write, Read, Close Files in C++	Website
select(), FD_SET(), FD_CLR(), FD_ISSET(), FD_ZERO()	Website
Blocking and Non-Blocking I/0 Tutorial	Website
I/O Multiplexing (select vs. poll vs. epoll/kqueue)	Website
CSC309F Lectures	Website
Webserver in a nutshell	Website
How can I get a file's size in C++?	Stack Overflow
What are the usage differences between size_t and off_t?	Stack Overflow
Build a simple HTTP server from scratch	Medium
Building an HTTP Server From Scratch in C++	Medium

Video Resource	Source
C++ Web Server from Scratch | Part 1: Creating a Socket Object	Youtube
Web Server Concepts and Examples	Youtube
Hyper Text Transfer Protocol Crash Course - HTTP 1.0, 1.1, HTTP/2, HTTP/3	Youtube
When to use HTTP GET vs POST?	Youtube
How one thread listens to many sockets with select in C.	Youtube
What Is A Web Server?	Youtube
Web Server and Application Server | Explained	Youtube

---

Ft_irc

Resource	Source
Internet Relay Chat	PDF
What is a Socket?	Website
Unix Socket - Network Addresses	Website
Unix Socket - Core Functions	Website
Beej’s Guide to Network Programming	Website
Modern IRC Client Protocol	Website
rawlog	Website
RFC1459 - Internet Relay Chat Protocol	Website
RFC2810 - Internet Relay Chat: Architecture	Website
RFC2811 - Internet Relay Chat: Channel Management	Website
RFC2812 - Internet Relay Chat: Client Protocol	Website
RFC2813 - Internet Relay Chat: Server Protocol	Website

---

Inception

Resource	Source
Docker (software)	Wikipedia
Docker Docs	Website
Dockerfile reference	Website
What are containers?	Website
Docker - Concept of Dockerfile	Website
Using Makefiles to build and publish (docker) containers	Website
How to Install Nginx on Debian 10	Website
Complete Guide to NGINX Configuration	Website
Cryptography and SSL/TLS Toolkit	Website
Explained: What Is a SHA256 SSL Certificate?	Website
How to Install WordPress on Docker (Windows, macOS, and Linux)	Website
Docker + WordPress Setup	Website
Deploying WordPress in Docker containers	Website
How to install WordPress with Docker	Website
Download and Install WordPress Via the Shell Over SSH and With WP-CLI	Website
How to Deploy an NGINX Image with Docker	Website
Streamlining Infrastructure Deployment with Docker	Medium
WordPress Deployment with NGINX, PHP-FPM and MariaDB using Docker Compose	Medium
Simplifying docker-compose operations using Makefile	Medium
What is the difference between "expose" and "publish" in Docker?	Stack Overflow
How to generate a self-signed SSL certificate using OpenSSL?	Stack Overflow

Video Resource	Source
100+ Docker Concepts you Need to Know	Youtube
You Need to Learn Docker RIGHT NOW!! // Docker Containers 101	Youtube
Docker Compose will BLOW your MIND!! (a tutorial)	Youtube
Learn Docker in 1 Hour | Full Docker Course for Beginners	Youtube
Learn Docker in 12 Minutes	Youtube
Docker Compose in 12 Minutes	Youtube
Docker Crash Course #1 - What is Docker?	Youtube

Guide	Source	User
codesshaman	GitHub	codesshaman
vbachele	GitHub	vbachele
llescure	GitHub	llescure
rbiodies	GitHub	rbiodies
Forstman1	GitHub	Forstman1
Theo2lt	GitHub	Theo2lt
SavchenkoDV	GitHub	SavchenkoDV
iimyzf	GitHub	iimyzf
42-inception	GitHub	waltergcc

---

Ft_transcendence

Resource	Source
Introduction to Vue.js	Website
Props Versus Data in Vue	Website
How to get left, top position of element in Vue.js?	Website
Integrating Vue.js and Socket.io	Website
Building a multiplayer game using WebSockets	Website
Socket.IO - Get started	Website
Build lobby based online multiplayer browser games with React and NodeJS	Website
js-pong	GitHub

Video Resource	Source	User
Beginner JavaScript Game Dev Project	Youtube	Web Dev Simplified
Easiest way to build real-time web apps? WEBSOCKETS with NestJS	Youtube	Marius Espejo
NestJS Authentication: JWTs, Sessions, logins, and more!	Youtube	Marius Espejo
Vue JS Crash Course	Youtube	Traversy Media
Build a Realtime Chat App with VueJS	Youtube	Scalable Scripts

---

Crack the Code • Pentesting Tools • Digital Footprint • VPN • Bootable USB • Data Forensics • Package Manager • Operating System and Tools • Explois and Vulnerabulities • Guides and Resources • Podcasts, News and Videos • Hacking Google • Scroll To Top

Crack the Code

Challenges and learning platforms about cyber security and ethical hacking.

Website	Description	Source
CTF 101	Introduction to CTFs (Capture The Flag).	Website
42 CTF	Cybersecurity challenges platform with various challenges from 42.	Website
picoCTF	Challenges beginners and experts alike to solve real-life cybersecurity problems.	Website
Root Me	Platform for testing and improving knowledge in computer security and hacking.	Website
Sololearn	Courses designed by experts with real-world practice.	Website
LeetCode	Auto-tests. Fast lane to practice coding for interviews.	Website
GeeksforGeeks	Explanatory articles for algorithms and techniques.	Website
HackerRank	Programming problems, math, AI, etc. Good website for problem-solving skills.	Website
Codeforces	Programming contests platform with archives and auto-tests.	Website
Topcoder	Platform for programming contests professionals.	Website
Rosetta Code	Implementation guide for X in language Y.	Website
CodinGame	Automated platform for writing game bots, improving coding, and math skills.	Website
Codewars	Platform for solving programming puzzles known as “katas”.	Website
Hacker101	Free class for web security.	Website
HackerOne	Web security classes.	Website
TryHackMe	Learn cyber security through hands-on exercises and labs.	Website
Hack The Box	Cybersecurity training platform to level up hacking skills.	Website
Hack This Site	Training ground for ethical hacking with challenges, CTFs, and more.	Website
Cyberseek	Explore career paths, skills, and certifications in cyber security.	Website
Advent of Code	Christmas-themed programming challenges following an Advent calendar.	Website

---

Pentesting Tools

Collection of tools used to perform penetration testing or ethical hacking.

Website	Description	Source
Cybersecurity Stash	Curated list of cybersecurity tools.	Website
Wireshark	Free and open-source packet analyzer.	Website
Responder	Penetration testing tool for various network protocol poisoning.	Website
Hashcat	Powerful tool for cracking password hashes.	Website
Metasploit	Security project providing vulnerability data and aiding penetration tests.	Website
Shodan	Search engine for Internet-connected devices.	Website
ExifTool	Reads and writes meta information in a wide variety of files.	GitHub
Remote Admin Tool	Allows full control of a tech device remotely.	GitHub
DNScat2	Creates an encrypted command-and-control channel over DNS.	GitHub
Social Engineer Toolkit	Framework designed for social engineering in penetration testing.	GitHub
VirusTotal	Scans files, URLs, domains, and IPs for threats.	Website
CyberChef	Web app for encryption, encoding, compression, and data analysis.	GitHub
dCode	800+ tools for games, riddles, cyphers, math, and puzzles.	Website
Firefox DevTools Docs	Set of web developer tools built into Firefox.	Website
Burp Suite	Integrated platform for security testing of web applications.	Website
WiFi Map	Locates nearby hotspots, displays passwords and enables connection.	Website
Steganography Toolkit	Docker image useful for solving Steganography challenges.	GitHub
Medicat USB	Toolkit to compile the latest computer diagnostic and recovery tools.	GitHub
Wazuh	Open source platform used for threat prevention, detection, and response.	GitHub
OpenVAS	Open source full-featured vulnerability scanner.	Website

---

Digital Footprint

Discover the imprint left by your online activities.

Website	Description	Source
Firefox Monitor	Checks if your data has been involved in an online breach.	Website
Have I Been Pwned	Scans multiple breaches for your compromised email or phone.	Website
DeHashed	Offers free deep-web scans and guards against credential leaks.	Website
LeakCheck	Engine to search for data breaches.	Website
Intelligence X	Searches across Tor, I2P, data leaks, and the web using diverse parameters.	Website
Password Strenght	Checks password strength.	Website
OSINT Framework	Gathers information from various free tools/resources.	Website
sherlock	Locates social media accounts via usernames on multiple platforms.	GitHub
Password Game	Engaging yet challenging password game.	Website

---

VPN

Secure your internet connection with a Virtual Private Network.

Website	Description	Source
Proton	Offers end-to-end encrypted VPN, mail, drive, and calendar services.	Website
OpenVPN	Enables secure point-to-point, site-to-site connections, and remote access facilities.	Website
Tailscale	Offers a zero-config VPN for constructing secure networks.	Website

---

Bootable USB

Create portable storage to install or repair operating systems.

Website	Description	Source
Rufus	Open-source portable app for Windows, creating bootable USB flash drives or Live USBs.	Website
Ventoy	Open-source tool for creating bootable USB drives supporting various file types.	Website
Etcher	Cross-platform tool for safely flashing OS images onto SD cards and USB drives.	Website

---

Data Forensics

Information and tools for managing, recovering, or securely wiping data effectively.

Management	Description	Source
hdparm	set and view ATA hard disk drive hardware parameters and test performance.	Website
sdparm	Similar to hdparm but can be used on any device that uses a SCSI command set.	Website
GParted	Create, delete, resize, move, check, and copy disk partitions and their file systems.	Website
DiskPart	Command-line disk partitioning utility, replacing its predecessor, fdisk.	Website

Recovery	Description	Source
Disk Drill	Data recovery utility for Windows and macOS developed by Cleverfiles.	Website
PhotoRec	Free and open-source utility software for data recovery with text-based user interface.	Website
TestDisk	Data recovery tool that recovers lost partitions or repairs corrupted filesystems.	Website
Recuva	Undeletion program for Windows, developed by Piriform Software.	Website
R-Studio	Data recovery and file undelete solution for Windows, Mac and Linux OS.	Website
ddrescue	Data recovery tool for disk drives, DVDs, CDs, and other digital storage media.	Website

Wiping	Description	Source
DBAN	Erase a hard disk until its data is permanently removed and unrecoverable.	Website
nwipe	Erase the entire contents a single drive or multiple disks simultaneously.	GitHub
ShredOS	USB bootable (BIOS or UEFI) small linux distribution based on nwipe.	GitHub
Eraser	Security tool for complete removal of sensitive data from hard drives.	Website
Erasing Methods	Provides 16 types of critical data erasing methods.	Website
Master Passwords	List of master passwords for various hard disk drives.	Website
FBI	Disposal of media policy and procedures.	PDF
CISA	Disposing of devices safely.	PDF
NIST	Guidelines for media sanitization.	PDF

Utility	Description	Source
Czkawka	Multi functional app to find duplicates, empty folders, similar images, etc.	GitHub
BleachBit	Open-source disk space cleaner, privacy manager, and computer system optimizer.	Website
CCleaner	Clean potentially unwanted files and invalid windows registry entries from a computer.	Website

---

Package Manager

Software tools that automate the process of installing, upgrading, configuring, and removing programs.

Website	Description	Source
Chocolatey	Windows tool that wraps installers, executables, zips, and scripts into compiled packages.	Website
Ninite	Package management system that automatically install popular applications	Website
FOSSHUB	Platform to download for free many popular and clean software titles.	Website
NirSoft	Unique collection of small and useful freeware utilities.	Website
NirLauncher	Package of more than 200 portable freeware utilities for Windows.	Website

---

Operating System and Tools

Operating systems for every occasion and tools to enhance them.

Website	Description	Source
Tails	Privacy-focused Linux distro connecting exclusively through Tor for anonymity.	Website
Kali	Linux distro for penetration testing, security research, forensics, and reverse engineering.	Website
Tiny11	Trimmed-down Windows 11 image available on GitHub.	GitHub
Win Debloat Tools	Scripts to debloat Windows 10 and 11.	GitHub

---

Exploits and Vulnerabilities

Information and resources on how to learn/use exploits and vulnerabilities.

Website	Description	Source
Bugtraq	Electronic mailing list dedicated to issues about computer security.	Website
Mimikatz	Windows exploit extracting passwords from memory.	GitHub
BloodHound	Identifies complex attack paths otherwise hard to spot.	GitHub
EternalBlue	NSA-developed exploit leaked by Shadow Brokers.	Wikipedia
MouseJack	Vulnerabilities in wireless, non-Bluetooth keyboards and mice.	Website
Follina	Exploits the MSDT tool in Microsoft Office.	Youtube

---

Guides and Resources

Guides and resources about important topics that may help with cyber security or ethical hacking.

Website	Description	Source
CVE	Reference for known information-security vulnerabilities and exposures.	Website
OWASP Top Ten	Developer's guide for web application security.	Website
Exploited Vulnerabilities	Catalog of exploited vulnerabilities in the wild.	Website
Privacy Network	Repository offering privacy guidelines and tools.	Website
EPSS	Predictive system for potential vulnerabilities.	Website
CVSS	System to assess and prioritize vulnerabilities.	Website
What is MD5?	Explanation of MD5, a widely-used cryptographic hash function.	Website
World of Reversing	Article introducing reversing concepts.	Medium
Exploring the Heap	Article exploring the computing concept of the heap.	Medium

---

Podcasts, News and Videos

Information intended to capture, preserve, and explain the culture around cyber security and ethical hacking.

Website	Description	Source
Jack Rhysider	Podcast sharing true stories from the internet's darker side.	Youtube
SecurityWeek	Premier hub for cybersecurity news, insights, and expert analysis.	News
The Hacker News	Trusted publication for breaking cybersecurity news and insights.	News
Heartbleed	Insightful review of the 2014 Heartbleed bug that shook the internet.	Youtube
How to Get Someone's Password	Many possible ways they may be able to get your password.	Youtube

---

Hacking Google

Five elite security teams. Six never-before-told stories.

Website	Source
EP000: Operation Aurora	Youtube
EP001: Threat Analysis Group	Youtube
EP002: Detection and Response	Youtube
EP003: Red Team	Youtube
EP004: Bug Hunters	Youtube
EP005: Project Zero	Youtube

---

Scroll To Top

Note

Wiki is a great place to start searching and a good foundation but it isn't a good source to cite for projects, it can be edited by laypeople. Always check the sources first, that's the important material.

Wikipedia	Online encyclopedia.
Wiktionary	Online dictionary and thesaurus.
Wikibooks	Collection of books, mostly textbooks.
Wikiquote	Collection of quotations.
Wikivoyage	Travel guide.
Wikisource	Digital library.
Wikimedia Commons	Repository of images, sounds, videos, and general media.
Wikispecies	Taxonomic catalog of species.
Wikinews	Online newspaper.
Wikiversity	Collection of tutorials, courses, and a hosting point for research coordination.
Wikidata	Knowledge base.
Meta-Wiki	Central site for coordinating all projects and the Wikimedia community.
Wikimedia Incubator	Single wiki for drafting core pages of new language editions in development.
MediaWiki	Site for coordinating work on MediaWiki software.
Wikitech	Wikimedia Cloud Services, Data Services, Toolforge, and other technical projects.
Phabricator	Global ticketing system for tracking issues and feature requests.

---

Europe • Asia • Americas • Africa • Oceania • Soon • Scroll To Top

Note

Explore all 42 schools worldwide. For the most up-to-date list, click here.

Europe

Flag	Country	School
🇦🇲	Armenia	42 Yerevan
🇦🇹	Austria	42 Vienna
🇧🇪	Belgium	19 Antwerp
🇧🇪	Belgium	19 Brussels
🇨🇿	Czech Republic	42 Prague
🇫🇮	Finland	Hive
🇫🇷	France	42 Angoulême
🇫🇷	France	42 Le Havre
🇫🇷	France	42 Lyon
🇫🇷	France	42 Mulhouse
🇫🇷	France	42 Nice
🇫🇷	France	42 Paris
🇫🇷	France	42 Perpignan Occitanie
🇩🇪	Germany	42 Berlin
🇩🇪	Germany	42 Heilbronn
🇩🇪	Germany	42 Wolfsburg
🇮🇹	Italy	42 Firenze
🇮🇹	Italy	42 Roma
🇱🇺	Luxembourg	42 Luxembourg
🇵🇱	Poland	42 Warsaw
🇵🇹	Portugal	42 Lisboa
🇵🇹	Portugal	42 Porto
🇪🇸	Spain	42 Alicante
🇪🇸	Spain	42 Barcelona
🇪🇸	Spain	42 Madrid
🇪🇸	Spain	42 Málaga
🇪🇸	Spain	42 Urduliz
🇨🇭	Switzerland	42 Lausanne
🇳🇱	Netherlands	Codam
🇹🇷	Turkey	42 Istanbul
🇬🇧	United Kingdom	42 London
🇷🇺	Russia	School 21 – Kazan
🇷🇺	Russia	School 21 - Moscow

Asia

Flag	Country	School
🇯🇵	Japan	42 Tokyo
🇯🇴	Jordan	42 Amman
🇲🇾	Malaysia	42 Kuala Lumpur
🇸🇬	Singapore	42 Singapore
🇰🇷	South Korea	42 Gyeongsan
🇰🇷	South Korea	42 Seoul
🇹🇭	Thailand	42 Bangkok
🇹🇷	Turkey	42 Kocaeli
🇦🇪	United Arab Emirates	42 Abu Dhabi

Americas

Flag	Country	School
🇧🇷	Brazil	42 Belo Horizonte
🇧🇷	Brazil	42 Rio
🇧🇷	Brazil	42 São Paulo
🇨🇦	Canada	42 Québec

Africa

Flag	Country	School
🇦🇴	Angola	42 Luanda
🇲🇦	Morocco	1337 Ben Guerir
🇲🇦	Morocco	1337 Khouribga
🇲🇦	Morocco	1337 Med

Oceania

Flag	Country	School
🇦🇺	Australia	42 Adelaide

Soon

Flag	Country	School
🇲🇬	Madagascar	42 Antananarivo
🇱🇧	Lebanon	42 Beirut
🇵🇸	Palestine	42 Nablus

---

Artificial Intelligence • Educational Resources • Design Tools • Entertainment • Development Tools • Others • Scroll To Top

Artificial Intelligence

A diverse ecosystem of AI-driven solutions.

Chatbot

Website	Description	Source
ChatGPT	Chatbot launched by OpenAI in November 2022.	Website
Gemini	AI chatbot from Google (formerly Bard).	Website
Copilot	AI chatbot from Microsoft (formerly Bing).	Website
PromptHero	Specific prompts for AI tools.	Website
BLACKBOX AI	AI powered coding assistant.	Website
Ollama	Create, run, and manage LLMs in a local environment.	Website
Open WebUI	User-friendly WebUI for LLMs (formerly Ollama WebUI).	GitHub

Text

Website	Description	Source
Rytr	AI writing assistant that helps create high-quality content.	Website
QuillBot	Spelling/grammar checker.	Website
Writerly	Content creation.	Website

Media

Website	Description	Source
Stable Diffusion	Latent text-to-image diffusion model capable of generating photo realistic images.	Website
OpenJourney	Trained art model used in Stable Diffusion (includes negative prompts).	Website
Midjourney	Generates images from prompts, similar to OpenAI DALL-E.	Website
Boomy	Write and produce a full song in seconds.	Website
Gen-2	Generate novel videos with text, images, or video clips.	Website
NVIDIA Canvas	Turn simple brushstrokes into realistic landscape images.	Website
InvokeAI	Generate and create stunning visual media.	GitHub

Miscellaneous

Website	Description	Source
Futurepedia	Largest AI tools directory.	Website
Future Tools	Collection of all the best AI tools	Website
Hugging Face	Trained AI models to use with other AI tools.	Website

---

Educational Resources

Insights and handy references for programming and learning.

Platforms

Website	Description	Source
Udemy	Learning and teaching marketplace.	Website
Coursera	Courses, professional certificates, and degrees from world-class universities and companies.	Website
edX	Massive open course (MOOC) provider.	Website
Google Codelabs	Guided tutorials and hands on coding experience.	Website
Codecademy	Interactive platform that offers free coding classes.	Website
Google Cloud Skills Boost	Cloud environments that help developers and IT professionals learn.	Website
LinkedIn Learning	Learn business, creative, and technology skills to achieve personal and professional goals.	Website
Datacamp	Platform that focuses on building the best learning experience specifically for data science.	Website
Hackr	Hundreds of programming courses and tutorials.	Website
Envato Tuts+	Learn creative skills from leading industry experts.	Website

Quick References

Website	Description	Source
QuickRef	Cheatsheets and quick references for various programming languages and tools.	Website
Programming Notes for Professionals	Free Programming Books on various languages.	Website
Learning Resources	List of free learning resources in many languages.	GitHub
Server World	Website for people who like to build network servers with CentOS, Ubuntu, Fedora, Debian, and Windows Server.	Website
Cheatography	Collection of cheatsheets and quick references in 25 languages.	Website
Cheat Sheets	Cheatsheets, round-ups, quick reference cards, quick reference guides and quick reference sheets in one page.	Website
Devhints	Modest collection of cheatsheets.	Website
OverAPI	Website that collects all the cheatsheets.	Website
Awesome Cheat Sheets	Cheatsheets for popular programming languages, frameworks and development tools.	Website
The Book of Secret Knowledge	A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, CLI/Web tools and more.	GitHub

---

Design Tools

A curated collection of tools for creative endeavours.

Generators

Website	Description	Source
ASCII Table	ASCII character codes and symbols.	Website
Lorem Ipsum	Information on its origins, as well as a random Lipsum generator.	Website
RANDOM.ORG	True random number service.	Website
YayText	Generate a variety of cool unicode font styles.	Website
Tables Generator	Easily create even complex LaTeX tables.	Website
Duplicate Word Finder	Find duplicate words in a text.	Website
Duplicate Word Finder - CodePen	Find duplicate words in a text.	Website

Illustrations

Website	Description	Source
Flaticon	Free vector icons.	Website
Reshot	Free curated SVG icons and vector illustrations.	Website
unDraw	Open source illustrations.	Website
Emojipedia	Emoji search engine.	Website
Unicode Full Emoji List	Unicode emoji list.	Website
GitHub Emoji Cheatsheet	Emoji cheatsheet.	GitHub
GitHub Emoji API	GitHub emoji API.	GitHub

Images

Website	Description	Source
Lorem Picsum	The Lorem Ipsum for photos.	Website
Unsplash	Beautiful, free images and photos.	Website
TinEye	Reverse image search.	Website
Google Images	Reverse search the web for images.	Website

Colors

Website	Description	Source
Flat UI Colors	A total set of 280 colors for UI.	Website
ColorSpace	Find the perfect matching color scheme.	Website

Design

Website	Description	Source
Placeit	Wide range of design templates.	Website
Canva	Online graphic design tool.	Website
Pitch	Collaborative presentation software.	Website
Prezi	Presentation software.	Website
Google Slides	Create a new presentation and edit it with others at the same time.	Website
Envato Market	Website templates and themes.	Website
Elements Envato	Unlimited downloads of stock videos, photos, music, and more.	Website

Video

Website	Description	Source
Mixkit	Free stock video clips, music tracks, and sound effects.	Website

---

Entertainment

A diverse array of online entertainment and media resources.

Note

Depending on your 42 school rules, you may or may not play certain games on school computers. Avoid getting -420 and community service.

Media

Website	Description
Sudoku	Sudoku online from easy to expert level.
2048	Slide numbered tiles on a grid to combine them to create a tile with the number 2048.
Keybr	Learn to type faster with typing tests and practice typing lessons.
The Scale of the Universe	interactive experience to learn about the vast ranges of the visible and invisible world.
The Is This Prime?	Can you guess if a number is prime?
Quick, Draw!	Can a neural network learn to recognize squiggles?
Random Country Generator	Learn about all the countries in the world.
SQL Murder Mystery	Learn SQL concepts and commands with a fun game.

Rubik's Cube

Website	Description
SpeedSolving	Community focused on speed solving puzzles.
Ruwix	Learn about Rubik's Cube and other twisty puzzles.

Chess

Website	Description
Chess	#1 Website to play chess online.
Lichess	Free and open-source chess server. Clean interface, no registration, no ads, and no plugin required.
Chess24	Chess 24/7 news.
Kasparovchess	Garry Kasparov masterclass, lessons from grandmasters, entertaining documentaries and interviews.
ChessBase	Chess news and stand-alone database that has become the standard throughout the world.
Chessgames	Database of chess games, discussion forums, forming the internet's oldest chess community.
Notable Chess games of all time	Explore the greatest chess matches in history.
Chess Tactics	Chess tactics taught in plain English.
Chessboard.js	Chess game of Math.random() vs Math.random()?
Britannica	What is chess?
Chess Wikipedia	Learn chess history.

---

Development Tools

A comprehensive list of online IDEs, compilers, and debuggers.

Website	Description	Source
JSFiddle	Test JavaScript, CSS, HTML, or CoffeeScript online with the JSFiddle code editor.	Website
CodeSandbox	Cloud development platform that empowers developers to code, collaborate and ship projects of any size from any device.	Website
CodeAnywhere	Cross Platform Cloud IDE with all the features of Desktop IDE but with additional features.	Website
StackBlitz	Instant full-stack web IDE for the JavaScript ecosystem.	Website
AWS Cloud9	Cloud-based integrated development environment (IDE) that lets you write, run, and debug your code with just a browser.	Website
Gitpod	Cloud development environment for teams to efficiently and securely develop software.	Website
Eclipse Theia	Framework for building tools and IDEs.	Website
GitHub Codespaces	Use Visual Studio Code, Jupyter, or JetBrains with the editor, terminal, debugger, version control, settings sync, etc.	Website
JetBrains Space	A complete software development platform, collaboration, and team and project management.	Website
CodeTasty	Powerful online code editor in the cloud supporting over 40 languages like PHP, Node.JS, Python, Java, Ruby, and C.	Website
PaizaCloud	Cloud IDE supporting languages including C, C++, PHP, Ruby, Perl, Python, JavaScript with Node.js and Go.	Website
Scrimba	Interactive courses and tutorials teaching React, Vue, Angular, JavaScript, HTML, CSS, etc.	Website
CodePen	Social development environment for front-end designers and developers.	Website
JetBrains	Integrated development environment Software (IDE).	Website

---

Others

Various tools, resources, curiosities, ... of not particular order or importance.

Website	Description	Source
Guerrilla Mail	Disposable temporary email address.	Website
Explain Shell	Write down a command line to see the help text that matches each argument.	Website
sha256	sha256 algorithm explained with visuals and interactive.	Website
Know Your Meme	Documenting Internet phenomena: viral videos, image macros, catchphrases, web celebs and more.	Website
Character Counter	Free online character count calculator that's simple to use.	Website
PlayPhrase.me	Lets you search for particular phrases and soundbites uttered on-screen.	Website
Similarsites	Explore competitors and related sites.	Website
Time.is	7 million locations, 57 languages, synchronized with atomic clock time.	Website
Time and Date	Current Time (World Clock) and online and printable Calendars for countries worldwide.	Website
The 88x31 GIF Collection	A collection of 4161 classic 88x31 buttons from the 1990s, 2000s, and today in GIF format.	Website
Cool, but obscure X11 tools	Small collection of some obscure tools for the X Window System.	Website
Cool, but obscure UNIX tools	A little collection of cool unix terminal/console/curses tools.	Website
This website will self-destruct	This website will self-destruct.	Website
Start Your Own ISP	This guide is about building a Wireless ISP (WISP).	Website
Where is Roadster?	6 February 2018, at 20:45 UTC, the first Falcon Heavy was launched into space. It contained a very special payload, a Tesla Roadster with Starman.	Website
This person does not exist	Random Face Generator.	Website
Google Books Ngram Viewer	Online search engine that charts the frequency of terms used in books over time.	Website
Keanu is immortal	Proof of Keany Reeves is immortal.	Website
YouGlish	Don't know how to pronounce a word? Use Youtube to improve your English pronunciation.	Website
txti	Fast web pages for everybody.	Website
PageSpeed Insights	Analyze the score and use PageSpeed Insights suggestions to make your website faster.	Website
Testmysite.io	Is your site as fast and secure as possible?	Website
Worldometer	Live world statistics. Population Government Economics Society Media Environment Food Water Energy Health	Website
Free Postcard	Send a free postcard with a photo to anyone in the USA.	Website
20,000 Startup Ideas	Out of ideas?	Website
Hacker News Title Edit Tracker	Hacker News whose titles have been edited since they were first posted.	Website
Sketchy Website	You can trust this website.	Website
CloudConvert	Online file converter. Audio Video Document Ebook Archive Image Spreadsheet Presentation.	Website
Spreadsheet Converter	Upload a photo and instantly download it as a real spreadsheet!	Website
Radiooooo	The Musical Time Machine. Music	Website
TV Chart	View a graph of any TV show's ratings, by episode.	Website
Famous Scientists	Personal life and achievements of the most famous scientists and inventors in history.	Website
bellingcat	Netherlands-based investigative journalism group that specialises in fact-checking and open-source intelligence.	Website
Artvee	Browse and download high-resolution, public-domain Paintings, Drawings, Illustrations and Posters.	Website
Lightyear.fm	A journey through space, time, & music. Radio broadcasts leave Earth at the speed of light.	Website
Deceptive Design	What is deceptive design (also known as "dark patterns")?	Website
DuckDuckGo	The Internet search engine that emphasizes protecting searchers' privacy.	Website
elgooG	Create, restore, and discover interactive Google Easter Eggs.	Website
Every Noise at Once	Algorithmically-generated, readability-adjusted scatter-plot of the musical genre space.	Website
Animated Knots	Learn how to tie knots of any kind.	Website
Docusaurus	An optimized site generator in React. Helps you to move fast and write content.	Website
Kickresume	Assemble your resume from more than 20,000 pre-written phrases for more than 3,200 positions.	Website
Uneed	Curated list of the best tools on the internet.	Website
iLovePDF	Every tool you need to use PDFs, at your fingertips.	Website
FreezingCam	Freeze your webcam at any time during video calls. You can even play a video instead!	Website
Spicetify	Powerful CLI tool to take control of the Spotify client.	Website
Discord Plugins	Community custom-made plugins for Discord.	Website
Office 365	Microsoft Teams, Word, Excel, PowerPoint, Outlook, OneDrive, etc.	Website