Free Development Environments

• GCC (Home page: [http://gcc.gnu.org/ http://gcc.gnu.org/]) Originally the Gnu C Compiler, gcc is now officially the GNU Compiler Collection, which currently contains front ends for C, C++, Objective-C, Fortran, Java, and Ada, as well as libraries for these languages (libstdc++, libgcj,...).
• Quanta+ (Home page: [http://quanta.sourceforge.net/ http://quanta.sourceforge.net/]), a web development tool for KDE.
• Kdevelop (Home page: [http://www.kdevelop.org/ http://www.kdevelop.org/]), another IDE for KDE.
• Also check out TUCOWS' list: [http://linux.tucows.com/environments_default.html http://linux.tucows.com/environments_default.html]

• If you are doing development in Windows, Dev-C++ is an excellent C/C++ IDE that can be used with GCC or Cygwin compilers: [http://www.bloodshed.net http://www.bloodshed.net] - JeremySliwinski