Cool down your mac with this great app:SMC Fan

Your mac running hot? By default the mac would keep the fan speed as low as possible to reduce noise, but will heat quickly. This app allows you to constantly control the fan temperature,  to keep your mac running cool at all times. screw the fan noise. don't burn your balls.


(suports only Intel macs and the iBook g4 and g3)
Download link-(1 mb) 

(requires user authentication to install)

pictures of this useful app:

<-- tells you the running temperature inside your mac (there are multiple temperature sensors inside the motherboard)

<-- above; the menu bar, left; the control panel. you can set multiple settings

Disk Drill： a free, awesome, complete and professional file recovery tool

Disk drill, a awesome freeware is a great choice to protect your files by tagging them for easier recovery your precocious data that has been deleted on accident, lost or etc. Of course, because the file is deleted, recovery isn't always guaranteed, but this is the best you've got.

Direct Link

<--- Disk drill preforming a deep scan to find a file. When scan is complete, and the file binaries have been found, it can then be possibly browsed, and recovered