GitNews Web - Trending repositories from GitHub, HackerNews & Reddit
GitZip - Download or create a download link for a GitHub project folder/sub-folder or file.
Tech Overdose - A tech aggregator for dev junkies 👨💻
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
ctrl tab - replace your new tab page with the data that matters to you
GitHub Hovercard - GitHub Hovercard provides neat hovercards for GitHub.