Pennywise - Cross-platform application to open any website or media in a floating window
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
Altium PCB Designer - Altium offers a top-notch, best-in-class PCB Designer to give engineers the tools they need to interlink with each side involved in the electronic design process.
PiPer - A DIY Minecraft computer to build gadgets
Ktechlab - KTechLab is an IDE for microcontrollers and electronics.