Play all your multimedia files - can, play WAV, MIDI, MPG and AVI files, if you have all the necessary codecs in your computer. Can receive command line arguments, to play files without starting it's interface and auto exit.

File Renamer will let you rename all your files and folders, but with a lot more options. Can batch rename files, add or remove strings to filenames, change file extensions, numerate filenames sequentially, convert to uppercase or lowercase, trim characters, replace strings, and some more.. Works with multiple directories, suports Drag and Drop and works from the command line. Also has 'undo' function for last rename done.

A simple 'pocket' calculator with all the basic functions, and that uses very little space in your desktop.