The Portable Freeware Collection Forums

I recently came across a site (Open Source God) which provides a "round up" of Open Source applications.
I think it's a useful source of information.

http://mashable.com/2007/09/23/open-source/

If you read the comments on the site, you will find different opinions and two other similar sites are mentioned ...

http://www.osalt.com//

and

http://www.digitaldarknet.net/thelist/index.php

Note that Open Source apps are of course not necessarily portable; but several are!

I hope this is useful for some.