GitZip - Download or create a download link for a GitHub project folder/sub-folder or file.
CTO.ai - Build, share & run developer workflows in the CLI + Slack
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
Webiny - The Enterprise CMS platform that you can host on your cloud
GitHub Hovercard - GitHub Hovercard provides neat hovercards for GitHub.
GitHub Marketplace - Tools to build on and improve your workflow