Arduino IDE library
RStudio is an integrated development environment (IDE) for R
A web based file manager, web IDE / browser based code editor
The agent IDE that builds itself
A free C, C++ and Fortran IDE
Rapid applications development tool and libraries for FPC
Jexer - Java Text User Interface Library
an OSGi-based Swing Application Framework
uIDE (Micro IDE) is a free, open-source IDE for GPUtils
Modernized fork of NEdit, with unicode support and AA text rendering
Kisekae UltraKiss is a full featured integrated development environmen
A powerful editor and graphical debugger for code written in Scilab
TclTk-IDE for development and testing tcltk-apps
Customizable multiplatform development environment.
Cross-platform IDE for developing embedded solutions and desktops
RAD Tool and IDE for PHP, JSP, ASP, C++ and Java Swing
Kile is a feature-rich LaTeX editor
Symja - Java computer algebra language & symbolic math library
OpenLens Binary Build Repository
Lamdu, towards the next generation IDE
A syntax highlighting, code folding text component written in Swing
Static site IDE is a Static Site Generators aka Static Site Editor