Commit Together by Github - Now add co-authors to your commits
Annotate Screen - Browser based annotation tool.
Commit Print - Posters of your git history
Hover Me - Hover me lets you quickly annotate any image and easily integrate an interactive version within your own website.
gitbird - So, I don't always remember to tweet what I do, but commit my code often, and what do users love more than your product?
Roboflow Annotate - Annotate images with ease. Export to any format.