Mobilizon - A free and federated tool to get our events off Facebook
Live Chat by Sumo.com - Instantly communicate with customers, prospects & visitors
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Tolstoy - Communicate with interactive videos
DownToMeet - DownToMeet is a platform to organize, find, and attend group events.
Live Chat by Landbot - Live chat that combines chatbots with human chat