Guestboard - Lead powerfully-organized group events with Guestboard – a modular event platform that gives groups of 10-1000+ people a central space to coordinate, build excitement, and save money. No more crazy email threads. No more massive group texts.

GoToWebinar - Webinar & Online Conference | GoToWebinar

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Livestorm - Livestorm is browser-based webinar software. We are on a mission to make your webinars simpler and smarter.

Mobilizon - A free and federated tool to get our events off Facebook

EventMobi - EventMobi is an interactive mobile event app, audience response and engagement platform for conferences and trade shows.