BleachBit quickly frees disk space, removes hidden junk, and easily guards your privacy. Erase cache, delete cookies, clear Internet history, remove unused localizations, shred logs, and delete temporary files. Designed for Linux and Windows systems, it wipes clean 70 applications including Firefox, Internet Explorer, Flash, Google Chrome, Opera, Safari, Adobe Reader, APT, etc.
HomePage:
http://bleachbit.sourceforge.net/
Changelog:
The following changes have been made since 0.8.1:
* Securely wipe filenames when deleting individual files and directories
* More securely wipe filenames when wiping free disk space
* Expand and fix vacuuming Google Chrome 7
* Specific to Linux bonus pack (separate download)
o Fix bonus pack not installing on Ubuntu 10.10
o Clean Xfce xfrun4 command history (thanks to nodiscc)
o Clean Battle for Wesnoth (thanks to Thibault Févry)
* Specific to Windows
o Fix bug starting on Windows XP with language set to non-English
o Delete form history in Internet Explorer 7 and 8
o Delete user assist history: it is included in Windows Explorer - Most Recently Used.
o Clean WinZip (thanks to Jack Williams)
o Clean TortoiseSVN (thanks to Jack Williams )
* Specific to web
o New documentation: Shred files and wipe disks
read more about how to install..