Mobilizon - A free and federated tool to get our events off Facebook
Arcat.XP - Arcat.XP is an Event Management Software that helps organizers, attendees, exhibitors, and sponsors to manage their events with ease from start to finish.
Mixily - Hosting your event just got easier.
A2Z Events - A2Z Events is a cloud-based event management solution that allows enterprises to create, manage and collaborate on events.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Grenadine Event Planner - All-in-one event management software. All your needs in one place: event planning and scheduling, event website, registration, event mobile app, and APIs.