Displays detailed metadata on YouTube videos, as well as the channel on which they're posted.*
Allows searches by location for geotagged YouTube videos.*
Browser extension that allows an array of analytical functions to be carried out on video and still images.
The two below are largely unnecessary now that YouTube has once again made it possible to use the keyboard for frame-by-frame viewing (Use the . key to go forward and the , key to go back)
Allows you to speed up, slow down or advance YouTube or Vimeo video frame by frame within the browser. By Calum Eadie
Allows video from YouTube or Vimeo to be played frame by frame or in slow motion