Open the current page or links in Polypane, the developer tool for responsive web development and design.
Service Worker Detector
This extension detects if a website registers a Service Worker.
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
Pin for GitHub
Pin repositories on GitHub for later without having to star them