Live-Ask - A one-stop solution for moderating discussions and Q&As.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Whale - Video Q&A with influencers and experts 🐳
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Ask Me Anything - The official Reddit AMA app
Basecamp - A simple and elegant project management system.