Tape It - App for songwriting & audio recording.
Songcraft.io - A platform for songwriters to write, organize & collaborate.
RiffShare - Write down a musical riff, send to band members, collaborate
Flocknet - Search your Twitter followers by job, workplace & keyword.
Tweeple Search - Find your target audience & powerful influencers on Twitter
Spire - The first activity, breath & state of mind tracker