Free and open-source software (F/OSS, FOSS) or free/libre/open-source software (FLOSS) is software that is liberally licensed to grant users the right to use, study, change, and improve its design through the availability of its source code. This approach has gained both momentum and acceptance as the potential benefits have been increasingly recognized by both individuals and corporations-wIKIPEDIA
ONE OF OPEN SOURCE SOFTWARE :
http://sourceforge.net/
Thanks to people who hard work to created open source software!
