Jukebox - Collaborative music player
Calmly Writer - Distraction-free text editor for Mac, Windows, Linux and ChromeOS.
Musify - Enjoy your favorite songs, listen unlimited mp3 and play musics.
Writebox - Writebox is a simple and distraction-free text editor for Chrome and iPhone/iPad.
ZenPen - A minimalist writing zone, where you can block out all distractions and get to what's important.
Stashany - Online notepad for developers