Dev C++: The most recommended for small C and C++ projects. Open source project. It uses a version of the gcc compiler. Processor and space requirements are low. Support and documentation might not be good given that is not a well known project. Extra simple configuration is needed after installation.

URL: http://www.bloodshed.net/devcpp.html

Eclipse C/C++ Development Tool: Open source project. Might be too overkilling for small C or C++ projects. Recommended for large projects only. Processor and space requirements are a little high. Documentation is good given that is well known project and Eclipse is well known also for their Java IDE.

URL: http://www.eclipse.org/cdt/