GitHub Visualizer - Enter user/repo and see the project visually
Roboflow Annotate - Annotate images with ease. Export to any format.
Gource - Gource is a software version control visualization tool.
Drift - A messaging app that helps you grow your business.
The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style
Good Annotations - A online annotation tool that is perfect for providing feedback to your team.