Remote Mouse - Turn your smartphone into a wireless touchpad and keyboard now!
Remote Buddy - The most powerful remote control solution for the Mac®.
Monect - Make the best use of sensors on smart device to control PC, simulate steering wheel, game-pad...
Pigment File - A makeup database, search every foundation on the market.
KDE Connect - Integrate Android with the KDE Desktop
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.