The Ticket Fairy - Marketing automation & analytics for events
Eventjoy - The Easiest Way To Organize An Event
EventGeek - Project management and analytics for events.
Meetup for iOS and Android - Discover groups that are all about the things you love
Bylde - Bylde is a SaaS platform you can use to Start, Manage and Grow your groups and communities.
TechEvents.co - Tech and startup events aggregator