Pennywise - Cross-platform application to open any website or media in a floating window
Hidden Bar - A ultra-light MacOS utility that helps hide menu bar icons.
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
Hocus Focus - A Mac menu bar utility that hides your inactive windows
PiPer - A DIY Minecraft computer to build gadgets
Pliim - One click and be ready to go up on stage and present!