Master programming by recreating your favorite technologies from scratch.
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Feb 21, 2026 - Markdown
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free
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A collective list of free APIs
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Feb 19, 2026 - Python
DigitalPlat FreeDomain: Free Domain For Everyone
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Mar 2, 2026 - HTML
📚 免费的计算机编程类中文书籍，欢迎投稿
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Jul 15, 2024
A curated list of free courses with certifications. Also available at https://free-certifications.com/
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Jul 22, 2025
The Secure CommsOS™ for mission-critical operations
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Mar 3, 2026 - TypeScript
🐧 A list of awesome Linux softwares
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Feb 16, 2026 - HTML
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
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Mar 3, 2026 - Python
插件化、定制化、无广告的免费音乐播放器
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Jan 6, 2026 - TypeScript
📚 The definitive guide to TypeScript and possibly the best TypeScript book 📖. Free and Open Source 🌹
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Jun 29, 2024 - TypeScript
🆓免费的 ChatGPT 镜像网站列表，持续更新。List of free ChatGPT mirror sites, continuously updated.
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Jun 23, 2025 - Python
A collection of services with great free tiers for developers on a budget. Sponsored by Mockoon, the best mock API tool. https://mockoon.com
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Mar 2, 2026
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
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Mar 3, 2026 - JavaScript
Kavita is a fast, feature rich, cross platform reading server. Built with the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.
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Mar 3, 2026 - C#
A free, open source, Bootstrap admin theme created by Start Bootstrap
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Jul 2, 2024 - HTML
Grab your own sweet-looking '.is-a.dev' subdomain.
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Mar 3, 2026 - JavaScript
Pterodactyl® is a free, open-source game server management panel built with PHP, React, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to end users.
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Feb 14, 2026 - PHP
Drag and drop page builder library written in vanilla javascript without dependencies or build tools.
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Sep 19, 2025 - JavaScript
Free apps
Stastic
Website editor on top of Github pages
Qlty Cloud
Code quality and coverage done right
Renovate
Dependency Automation service by Mend.io
Container Registry
Best-in-class CNCF Harbor based Container Image Management for individuals, teams and organizations
Testspace.com
Test Management software for DevOps, including CI Results Dashboard, Manual Test Case Management, and Exploratory testing
Pull Checklist
PR automations you don’t have to build yourself
AppVeyor
Cloud service for building, testing and deploying Windows apps
WhatProblem AI - Requirements Clarification Bot
AI that asks the right questions to turn vague issues into clear requirements - no more guessing
Datree
YAML configs and K8s manifests validation tool
Vue Play
Create Vue Applications using a Visual Designer
PR Scheduler
Lets developers schedule PRs to be merged at a specific date/time. Useful for scheduling posts on static blog frameworks
cto.new
Completely free AI code agent. Use the best frontier models from Anthropic, OpenAI & more with no credit card or API keys
Mend Bolt
Detect open source vulnerabilities in real time with suggested fixes for quick remediation
Zenhub
Project management that's seamlessly integrated with GitHub’s data & interface, builds powerful insights & automates tasks
autofix.ci
Automatically fix pull requests to increase developer productivity
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