Hologram - Frontend Development and Design
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
CleanMyMac X - Clean, protect and speed up your Mac
Helium - Helium lets you accept payments by credit card for anything you want to sell online.
Fossils - Find and clean out all your old unused files
PiPifier - PiPifier is a macOS 10.