jEdit is a programmer's text editor written in Java.
GUI designer for wxWidgets
Simple and flexible programming language for applications development
A GUI system for embedded systems.
Minimalist desktop "to do" list
IDLE Extensions
Reorganize M32/X32 show files
Marathon supports testing of Java/Swing and Java/Fx applications.
Stream manager
Helping users to quickly understand SQL queries
A fast, powerful and adaptable GUI solution
Free and Open Source Brainwave Entrainment application
XML bindings and a GUI for creating and editing XBMC Scrapers
Graph algorithms interpreter, IDE, debugger, 3D visualizations.
A GUI frontend to Apache FOP
Browser-based online video editor and encoding API
Common accessible environment for system dynamics simulation.
clickTk is a graphical editor to generate Perl/Tk GUI.