Hengam - Revive your idle users with insights and predictions
CleanMyMac X - Clean, protect and speed up your Mac
TrashMe - Our iTunes companion will be shortly compatible with Spotify and will be available on our webstore too. Jibapps is a small French company producing applications for macOS.
Fossils - Find and clean out all your old unused files
Kissmetrics Funnel Report - Track any funnel you want based on behavior or attributes
DaisyDisk - DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.