GroupClip - Shoot synchronized video clips together with your friends.
Write-on Video - The Video Editor for Storytellers. Create Storyboards, Edit Video, and Make an Impact.
Elucidat - HTML5 e-learning authoring software for creating amazing and ambitious responsive online and mobile e-learning.
Velapp - Edit video as you shoot
audli.io - audli.io is an audio plus slides platform.
Filma - Edit video like a pro easily and everywhere with your iPad