CleanMyMac X - Clean, protect and speed up your Mac
Simple Poll - The easiest way to create polls in Slack
DaisyDisk - DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.
GitHub Polls - Polls for GitHub issues and readme
Fossils - Find and clean out all your old unused files
minipoll - Create simple shareable polls in seconds