Seald - Keep your conversations secure, everywhere.
Listenbox - Podcasts from audio & video on the web
Crypho - End-to-end-encrypted messaging and file sharing
Audioship - Upload audio to YouTube or Facebook
Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.
TunesToTube - What does TunesToTube do?