GitPigeon - GitHub notifications delivered to your Mac

Momentum - Agile goal and performance management

Meteorite - Smarter GitHub notifications.

New Tab by Flickr - Get a beautiful photo each time you open a new tab

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.

Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.