GitHub Visualizer
Codeology
Puppet
The GitHub Matrix Screensaver
Tars
X (Twitter)
Gource
CodeFlower
Database Script Tool
Violentmonkey
Greasy Fork
Userscripts
Greasemonkey
Script Manager – SManager
Tampermonkey
Codeology - Open-source algorithm that visualizes GitHub projects
Violentmonkey - Violentmonkey is a userscript manager to support running userscripts in web pages.
Puppet - Easily create custom dashboards for your users
Greasy Fork - A site for user scripts.
The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style
Userscripts - An open-source userscript editor for Safari.