1. ZoomBySite - Safari extension, if you intend to use this browser. (free)
2. Firefox - one of the best browsers out there. (free)
3. 1 Click DVD Creator - make DVD/ISO from different file formats. (free)
4. AppCleaner - to fully uninstall apps, dragging to Trash is not enough. (free)
5. EasyFind - to find files on your Mac, very useful, you will see. (free)
6. HandBreak - to convert DVD to mp4. (free)
7. Burn - burn different files to CD and DVD. (free)
8. Microsoft Office - no comment needed. (paid)
9. PhotoScape X - image browser and editor. (free)
10. VLC Media Player - universal media player (movies etc.). (free)
11. Keeper - password keeper. (paid)
12. TheUnarchiver - to unzip, unrar etc. files. (free)
13. ClamXav - Antivirus software (free).
14. FinderMinder - little app that makes Finder to keep its set window size (free).