Kinovea - Kinovea is a video player for sport analysis
butterflow-ui - butterflow-ui is a graphical front end for interacting with the butterflow command line application...
PhysMo - PhysMo is an open-source (free!
Slow Motion Video FX - Slow down your videos with a single click. Adjust speed, zoom in, slow down a certain part of your video. Even speed up. All online, no account required
LongoMatch - Real-time and post-recording sports video analysis software.
Video Coach - Video Coach is a tool that helps users analyze and improve their sports activities by recording videos of training and practice.