Tape It - App for songwriting & audio recording.
TweepsBook - A better bookmarking tool for power Twitter users that you can use to filter, organize and bookmark tweets on your liking.
Songcraft.io - A platform for songwriters to write, organize & collaborate.
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Horucco - Horucco is an cloud based app for musicians, songwriters, producers of every skill levelExplore chords and discover related chords on the fly.
Tweetflick - Save, organize & find Tweets to get the most out of Twitter