cross-platform portable apps

Hi,
I just gathered a small list of my favorite portable apps that run on Windows, Mac and Linux.

I would like if you guys could sugest some more of you own.

Here's my blog:

[link removed - thank you for compiling and posting this link, but please do not post direct links to promote yourself, be it intentional or unintentional - thanks, moderator PP]

Direct link to post:

4 & 2/3 Trully Cross-Platform portable apps
Thanks!