GitHub Polls - Polls for GitHub issues and readme
Gitscout - A beautiful Github Issues experience for macOS
Octotree - Github on steroids
Shrink for Github - A macOS app for your Github issues
Neat.run - Neat puts SaaS notifications in your menu bar. Streamline your code review and ship with ease. Preview, triage, and jump to issues in one click or keystroke.
GitHub Reader - A quick way to browse GitHub issues and pull requests.