The Ticket Fairy - Marketing automation & analytics for events
TechEvents.co - Tech and startup events aggregator
EventGeek - Project management and analytics for events.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Bylde - Bylde is a SaaS platform you can use to Start, Manage and Grow your groups and communities.
Facebook Local - Discover places to go and events happening near you