A free C, C++ and Fortran IDE
Code::Blocks is a free, open-source, cross-platform C, C++ and Fortran IDE built to meet the most demanding needs of its users. It is designed to be very extensible and fully configurable. Finally, an IDE with all the features you need, having a consistent look, feel and operation across platforms. Built around a plugin framework, Code::Blocks can be extended with plugins. Any kind of functionality can be added by installing/coding a plugin. For instance, compiling and debugging functionality is already provided by plugins! We hope you enjoy using Code::Blocks! The Code::Blocks Team
Monkey Studio is a cross platform IDE wich primary goal is to support all kind of Qt relating programming. This place is now a mirror, the new official downloads place is http://code.google.com/p/monkeystudio/
Eclipse Documentum DQL/API plug-in with the main functionality of content proposals and colour coding. As a secondary result testing things the plug-in is starting to resemble a fast hard client. A feature we lost when a certain hard client was replaced.
Sourcehighlightide is an IDE for GNU Source-highlight; it is useful when you have to develop a new language definition file for source-highlight.
TraitRecordJ is a Java dialect where units of objects' functionality are modeled by traits and by records, which are assembled in classes that are instantiated (as usual) to build objects.