Based on my experience in open source industry, i would like to share some idea on open source.
- Software can be downloaded free of cost
- Support can be sought from forums like linuxquestions.org free of cost
- Some of the open source tools / softwares / OSs are:-
- Trac open source project management Tools ( http://trac.edgewall.org/ )
- Squid Proxy Service ( http://www.squid-cache.org/ )
- CentOS - Community enterprise Operating System ( http://www.centos.org/ )
- Nagios - Infrastructure IT Monitoring Tool ( http://www.nagios.org/ )
- CVS - Software Revision Control Management ( http://www.nongnu.org/cvs/ )
- WinCVS - GUI Software Revision Control Management ( http://cvsgui.sourceforge.net/ ) and much more .............
