Emacs, Git, (SVN occasionally), Paint.NET (if im on windows), and Python. I know you said not languages, but I see Python more as a tool since I can use it to

Emacs, Git, (SVN occasionally), Paint.NET (if im on windows), and Python. I know you said not languages, but I see Python more as a tool since I can use it to hammer out code to convert data and the like.