A simple, free, cross platform time Code Converter and calculator. It is based on Adobe AIR framework, so it works on Mac, Windows and Linux. It has an unobtrusive custom Chrome, and can handly be floated over your compositing or editing app for a quick computation.
Features of Timecode Converter
Convert Between 24/25/29.97/30 fps timecodes
Pal, NTSC and drop Frame support
Compute sum of timecodes, difference or duration
Freely enter full timecodes, absolute frames or partial timecodes (e.g. 1798, 7:15...)