ROS-Enhanced Scalable Haptic Library - discontinued
A graphical Finite State Machine (FSM) designer.
A Logo interpreter and programming environment specialized for schools
A graphical, cross-browser, easy and Selenium-based testing tool
A library in C++ for creating old-school graphic tiles.
Trivial 2D Graphic Library based on SDL
A panographic toolkit compliant with open source standards
Library for Gambas language
Advanced script editor IDE for squirrel/pawn/lua and more
MatixTurn is an AS3 Library used for Flash games optimizations.
Business graphics diagramming application + customizable shape lib.
LEGADEE (LEarning GAme DEsign Environment)
a tool for graphically represent data probes in java realtime
Community Supported Eclipse Visual Editor