Bleachbit

• Remove unnecessary files, free space, and maintain privacy
• BleachBit deletes unnecessary files to free valuable disk space and maintain privacy.
• Rid your system of old junk including broken menu entries, cache, cookies, localizations, and temporary files.
• Designed for Linux systems, it wipes clean Bash, Beagle, Epiphany, Firefox, Flash, GNOME, Java, KDE, OpenOffice.org, Opera, RealPlayer, VIM, XChat, and more.