Cleaning HD: What app do you recommend?

[MacGiver]

Hi,

What app would you recommend to clean my OS X HD, clean hidden files unused, registeries, etc...everything that could help speeding up the OS and gain room on my HD.

Thx
X

 

[richard.mac]

registries? haha not on a mac! ... nice name by the way

see this thread https://forums.macrumors.com/threads/372795/