Stellar Video Repair - Stellar Repair for Video is the world’s best tool for repairing corrupt, broken or damaged MP4...
ChordIQ - Learn notes, chords, sight reading, perfect pitch and more.
Bitwar Video Repair - Batch repair all sorts of damage and corrupt video files from any recording devices such as Drones, Camcorders, Video Recorders, Android/iPhone, and etc.
muted.io - A magical collection of interactive music theory tools & visual reference pages for musicians and music producers
untrunc - Restore a truncated mp4/mov. Improved version of ponchio/untrunc
7Pad Scales and chords - Music instrument and assistant for playing scales and chords.