Simple Poll - The easiest way to create polls in Slack
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 Polls - Polls for GitHub issues and readme
Gitify - GitHub Notifications on your desktop.
Curious Polls - Answer a question once a day for the chance to win £100/$100
GitPigeon - GitHub notifications delivered to your Mac