Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
haptik - The first always-on metronome for Apple Watch
Mediamodifier - Create beautiful designs and product mockups in seconds.
Soundbrenner Pulse - A vibrating, wearable metronome for musicians
mockDrop - Is a webapp for creating free device mockups including your screenshots.
iO-808 - Rhythm composer modeled after Roland's TR-808 drum machine.