Service Worker Detector
This extension detects if a website registers a Service Worker.
Pin for GitHub
Pin repositories on GitHub for later without having to star them
GitHub (Enterprise) Projects Plus
[Deprecated] Adds advanced labels management and other functionality to GitHub.
Arrgh Some Patchy Goodness to GitHub
Novibyte Issues Plugin
Jira Issues Management
Send pages and links to another browser using Choosy (macOS only).