Magic utilities
Run tasks/tests, get trustworthy pass/fail info rolled up
File browser for Tkinter
Color picker dialog for Tkinter, alternative to tkinter.colorchooser
OpenM++: open source microsimulation platform
Mathematics, linear algebra and optimisation
Libtdata is a C library implements trees, index allocation and bit ops
Dynamic Python binding for Qt Applications
Command line utility for administering Sympa mailing lists.
German Template for Bugzilla
Web-based C/C++ IDE for students
Easily turn UML models into code
Children's learning programming language Karel the Robot in 3D
Simple config file parser in C
S3 file management tool with encryption
Modern c++17 unit testing framework on Windows, macOS, Linux, ...
Java Reactive Streams Push Engine
vi vim plugin for netbeans