A free, portable, fast and simple C/C++ IDE
A new and improved fork of Bloodshed Dev-C++
Rapid applications development tool and libraries for FPC
The Lazarus IDE is a stable and feature rich visual programming environment for the FreePascal Compiler. It supports the creation of self-standing graphical and console applications and runs on Linux, FreeBSD, MacOSX and Windows.
Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites.
Open Linux Developer is a development environment that provides a graphical front-end to the Linux compilers gcc and g++ as well as support for GTK+ development. It includes the basic essentials needed by a Linux programmer.