utility

cutmp3, as the name implies is a simple command line tool to edit and cut MP3 files without loosing any quality. cutmp3 can edit the mp3 files interactively or selection (start time and end time) can be provided from the command line or even better can be used with a timetable fiile specifiying different start/end times from the same MP3 files.

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.

pngcrush is an optimizer tool for PNG (Portable Network graphic) files. pngcrush is an excellent batch-mode compression utility for PNG images. Depending on the application that created the original PNGs, it can improve the file size anywhere from a few percent to 40% or more (completely losslessly)

FSlint is a simple yet very easy to use utility to find and clean various forms of lint on a filesystem. i.e., unwanted or problematic cruft in your files or file names. For example, one form of lint it finds is duplicate files. FSlint operates in both GUI and Command Line mode and the GUI is very straight forward to use especially there isn’t much of hidden menu options