Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
Tribe.so - Tribe is a white-label platform, empowering the new generation of online communities.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Higher Logic - Private, secure online communities that stimulate conversation and ignite engagement.
Prekindle - Prekindle is a simple yet powerful event management, ticketing, and marketing platform that helps businesses to sell tickets to the event online and spread the word.
Basecamp - A simple and elegant project management system.