GPS Toolkit is an open source library and suite of applications that provides solutions to satellite navigation related processing problems. It supports standard formats such as RINEX and comes with a wide array of functions.
Changes the ID3v1, ID3v2.2, ID3v2.3 and ID3v2.4 tags of your songs
Total Video Converter is a powerful video and audio conversion tool
Versatile video editor and converter with support for all known formats
It's a free yet very powerful video conversion and DVD ripping tool
Xvid is an open-source research project focusing on video compression
Excellent tool for editing and creating custom ringtones. It is easy to use, with a simple interface and intuitive controls
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