APKRepatcher helps you to modify an existing apk with simple GUI
Electronic design and programming tools suite like Eagle, MpLab
Visual WinAPI IDE for C/C++
Graph algorithms interpreter, IDE, debugger, 3D visualizations.
A GUI frontend to Apache FOP
clickTk is a graphical editor to generate Perl/Tk GUI.
a gui based property file editor in java. for java.
Free tool designed to make client side hacking easy
Community Supported Eclipse Visual Editor
Project moved to https://sourceforge.net/projects/qsqlmon/