Best OS X tweak? megathread

[rashhashan]

I dont know how big this will get if at all but i thought i might attempt to give a single thread for us to all discuss the best tweak or software (that in one way or another alters OS X) that you've ran across so far.😎

 

[hdsalinas]

none needed. 🙂

 

[angelwatt]

This kind of thread already exists. Most of these kinds of threads already exists if you search them out.

Sticky: Snow Leopard - Hints, Tips and little changes

 

[rashhashan]

ah my apologies