Bayesian Modeling and Probabilistic Programming in Python

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

FreeCAD Configurators are parametric 3D models made in FreeCAD that have a set of user-modifiable predefined parameters.

Operate and manipulate physical quantities in Python

Open Source Computer Vision Library

The Python programming language

Python Enhancement Proposals

Collection of library stubs for Python, with static types

The Python developer's guide

Optional static typing for Python