Gospeak
A platform to help meetup organizers and speakers grow together.
20 Alternatives To Gospeak
Agorakit
Agorakit is web-based, open source groupware for citizens.
Attendize Event Ticketing
Attendize is a free & open-source ticket selling and event management platform
BlinkMeet
BlinkMeet is a meetups management application which allows you to easily administer online…
Collaborizm
Meet New People. Build Amazing Things. A workspace for aspiring Entrepreneurs, Engineers, and Creatives.
CrowdQuestion
Connecting Crowds Through Q&A The Right Way To Bring Everyone Closer To Their Community
DownToMeet
DownToMeet is a platform to organize, find, and attend group events.
Emamo
Simple event tools for organizations. One central hub to manage your events and members — all year long.
Eventbrite
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Get Together
Get Together is an open source event manager for local communities.
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.
Introwise
Find people for group activities and travel
Kommunity
Explore communities that share your passion with millions of people
Meetabit
All the local tech and startup meetups in one place - easy to organize & attend
Meetup
Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Mobilizon
A free and federated tool to get our events off Facebook
Open Event
The simplest way to create events
OpenSports
Used by thousands of sports groups around the globe, OpenSports is the gold standard for managing events, attendees, and payments.
Openki
Platform where you can search, propose, take part, help organize or publish workshops, lectures…
Stuff
A platform for invitations to private and public events.
The Groups Place
The Groups Place is a new alternative to Meetup.