Code::Blocks (STM32) Online installer
JetBrains Meta programming System
Z-machine IDE for Inform and ZIL
Eclipse integration for Isabelle proof assistant
An Eclipse plug-in for the IBM FileNet P8 Content Engine and CMIS
MpyEditor is an Editor for creating Microcontroller Programs
Lua Editor
Ultra Lightweight Universal IDE
Developer's friendly IDE
The Scratch mod, Tiger
the disruptive IDE for COBOL developers