BleachBit is a simple cool utility to delete unnecessary files on the systemt to free disk space. This includes application and browser cache, temporary fiiles and cookies. Among the many supported application files are Bash, Beagle, Epiphany, firefox, Adobe flash, java, KDE, openoffice,Opera, XChat, rpmbuild etc. While, DIsk space may not be an issue these days on most of the systems, it is always cool clear those items not required anymore on the system.
More details visit http://www.susegeek.com/utility/bleachbit-to-cleanup-unwanted-files-on-your-opensuse/