Tapebook - Call your friends and record together
One Degree - The Human Search Engine
Podcasting on SoundCloud - Now anyone can host a podcast on SoundCloud
Floobits - Floobits brings real-time collaborative editing to text editors, IDEs, and now Atom.
Live-Ask - A one-stop solution for moderating discussions and Q&As.
Keyory - Schedule periodic emails and get aggregated responses delivered right to your inbox with Keyory.