Floobits - Floobits brings real-time collaborative editing to text editors, IDEs, and now Atom.
GitHub Polls - Polls for GitHub issues and readme
One Degree - The Human Search Engine
Twitter Polls - Polls embedded in tweets
Keyory - Schedule periodic emails and get aggregated responses delivered right to your inbox with Keyory.
Polls for WhatsApp - Create & share quick polls in your WhatsApp groups