There are vast range of software , it&#39;s very relative to make a list of must have , here is list : <br><a href="http://en.wikipedia.org/wiki/List_of_open_source_software_packages">List_of_open_source_software_packages</a><br>

<br>&#39;I am what I am because of who we all are&#39;<br><a href="http://www.h3manth.com">http://www.h3manth.com</a><br>-- Hemanth HM <br>Sent from Bengaluru, Karnataka, India