Software

From Streaming Media Service

FFmpeg

Open source video swiss army knife http://ffmpeg.org/

Handbrake

Open source video transcoding including H.264 available for windows, OSX and linux http://handbrake.fr/

Squared 5 MPEG Streamclip

Video transcoding tool http://www.squared5.com/

Openshot

Open source video editor which can use blender for 3d titling etc http://www.openshot.org/