Orx: Portable Game Engine
Free Java Reporting Library
maXbox is a script tool engine, compiler and source lib all in one exe
A declarative user interface framework based on GTK 4
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Arianne is an engine to develop multiplayer online games like Stendhal
Automatic frontend engine for Java
The Free / Libre / Open Source Web App with the most built-in features
ZincSearch. A lightweight alternative to elasticsearch
Vivid3D is a C++ IDE/3D engine, with python scripting.
A suite of RPN calculators and a class library for Object Pascal
A Forth compiler with a little difference
Reporting tool, libraries and designer
RenJS Typescript Version
WackoWiki is a light and easy to install multilingual Wiki-engine.
Euler Yet another proof Engine
Implementation of Tcl for the CLR.
Full featured MUD server with all the trimmings.
Development toolkit for Web Services and XML data bindings for C & C++
Scripting engine for Pascal compilers.
maXbox: Precompiled Object Based Scripting Tool
C# graphics library used for 3D modeling, built with OpenGL/OpenTK
Pycraft is an open-source, OpenGL based game made in Python