C, C++, Java, Pascal, Delphi, Javascript, Mathematica, Ruby, Python, and Assembly Language.
Reverser and Ethical Hacker.

Other non programming areas include AutoCAD, Revit, Vue xStream, Sketchup, Photoshop and After Effects.

Have accounts on all 126 StackExchange sites so far!

Some free tools/papers I developed

Easy File Share
Easy Python Decompiler
Pyinstaller exe rebuilder
Py2Exe Dumper
Reversing Drop Box Client