EDpuzzle remains at the top of the list of recommended tools for creating flipped video lessons.
Vialogues is a free service that allows you to build online discussions around videos hosted online and videos that you have saved on your computer.
VideoNotes is a neat tool for taking notes while watching videos.
Teachem is a service that uses the TED Ed model of creating lessons based on video.
ViewPure is one of the longest standing recommendations for viewing YouTube videos without distractions.
Watchkin is a service that provides a few ways to watch YouTube videos without seeing the related video suggestions and comments.