Kinovea - Kinovea is a video player for sport analysis
PhysMo - PhysMo is an open-source (free!
Video Delay Instant Replay - Instant Replay! Sport Camera with adjustable delay on playback.
LongoMatch - Real-time and post-recording sports video analysis software.
Spiideo - Spiideo is an automated sports filming solution to make professional-quality videos for tracking movements, interviewing players, analyzing game-play, etc.
Video Surgeon - Software program that allows you to slow down video and do motion analysis.