Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
VRMosaic for Lazarus
A fat-free DIY Python plugin management toolkit.
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
Ezapiya C++ easy to use C,C++ IDE with GCC compiler and debugging. it
Login with Multiple Hierarchies of User and Members!
Dynamic Python binding for Qt Applications
A handy swift json-object serialization/deserialization library
scriptable game engine with built-in support for 2D graphics and sound
An object-oriented script language to embed in any application
An open source process simulator
Packages translated from languages like C into Eiffel
C++ library for Apache Cassandra with Qt Framework
A multi purpose scripting language
Key Objects Library and Mirror Classes Kit (KOL&MCK) for Delphi
An easy-to-use thread pool for C++11.
Object Oriented Parser Generator
An Endless Space Mod Tool for the modding community.
Magda language resource site
Additional Graphical Classes and Widgets for Tkinter/Ttk
Native Java-like Script for Modern Browsers