Some of the best open source software offered as a convenient ISO.  Although I do prefer the education edition, both are supremely useful!

An article from Download Squad:

For Designers: 10 Best Online Color Tools

For Administrators: 24 Great Open Source Apps for Admins and Technicians

I would definitely check out SysAngel DVD Generator found at the link for PING, as well.

I’m all for open source and this one is simply smashing.