What are some alternatives?
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.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Channels - Channels is a simple way to post about, find, and chat about anything quickly and anonymously.
SkillMint - Find, meet and rate people with common skills and interests. Community-driven rating system.
Facebook Local - Discover places to go and events happening near you
Mobilizon - A free and federated tool to get our events off Facebook