Awesome resources

Control theory

Control theory, signal processing .. Great selection of the best resources
https://resourcium.org/

Brian Douglas blog
https://engineeringmedia.com/blog-index

Data science

The Data Engineering Cookbook, by Andreas Kretz
https://github.com/andkret/Cookbook

CodeCut, by Khuyen Tran
https://codecut.ai/

Programming

Julia Evans zines
https://wizardzines.com/comics/

Python

TheAlgorithms/Python
https://thealgorithms.github.io/Python/

Robotics

Free (!) Robotics Toolbox for Matlab, with a still active community :
https://github.com/petercorke/robotics-toolbox-matlab
https://petercorke.com/

A rather old adaptation in scilab/scicos (circa 2010)
http://rtss.sourceforge.net/

... and in Python (2008)
https://code.google.com/archive/p/robotics-toolbox-python/

Simulation (Misc.)

Systems simulation with Matlab, by Ivan Liebgott
in french : https://github.com/Ivan-LIEBGOTT/Livre_MATLAB_2020b
in english : https://github.com/Ivan-LIEBGOTT/Livre_2018a_English

Modia3D : a Julia package for 3D geometry and mechanics
https://github.com/ModiaSim/Modia3D.jl
https://modiasim.github.io/Modia3D.jl/stable/

MOBATSim (Model-based Autonomous Traffic Simulation Framework)
https://github.com/MOBATSim/MOBATSim

All about Modelica
https://marcobonvini.com/modelica/2020/06/29/all-about-modelica.html

LambdaSim : Converts simulation models to REST APIs
https://github.com/mbonvini/LambdaSim

Motion planning

https://github.com/meco-group/omg-tools

Lap-time simulation

https://github.com/TUMFTM/laptime-simulation

Multibody

https://github.com/pydy/pydy

Uraeus MBD, by Khaled Ghobashy
https://github.com/khaledghobashy/uraeus_mbd

Optimization

The GENO Modeling Language : automatically generates Python code from an easy to read language
http://www.geno-project.org/

Matrix Calculus : online tool that computes vector and matrix derivatives
http://www.matrixcalculus.org/

Dymos: Open Source Optimization of Dynamic Multidisciplinary Systems
https://github.com/OpenMDAO/dymos

Metamodels

SMT: Surrogate Modeling Toolbox
https://github.com/SMTorg/SMT

Javascript

PapaParse : The powerful, in-browser CSV parser for big boys and girls
https://github.com/mholt/PapaParse

Datatables : a jQuery plugin for tables
https://datatables.net/

PHP

PHP : the right way
https://phptherightway.com/

NVH

Index of Simcenter Testing Knowledge Articles
https://community.sw.siemens.com/s/article/Index-of-Testing-Knowledge-Articles

Signal processing

The Kalman Filter (by Brian Douglas)
https://engineeringmedia.com/controlblog/the-kalman-filter