Openki
Platform where you can search, propose, take part, help organize or publish workshops, lectures…
19 Alternatives To Openki
5miles
5miles isn’t just a buying & selling app. It’s a way to become a better neighbor. Buy & sell used cars, furniture, electronics or offer services like beauty, auto repair, and home cleaning locally using the 5miles app.
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
ChurchInviter
Church Invitations makes it easy to add invites and ecards to your church website! With tons of features its easy to see why so many churches are using it to send christian ecards!
Collaborizm
Meet New People. Build Amazing Things. A workspace for aspiring Entrepreneurs, Engineers, and Creatives.
DownToMeet
DownToMeet is a platform to organize, find, and attend group events.
Eventbrite
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Foursquare
Foursquare is all about helping you find new ways to explore your city.
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.
Meeting Star
Lightweight, inexpensive alternative to meetup.com.
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
Peerhub
A Store. A Marketplace. And a community.
RoadSwap
RoadSwap is a classifieds app for truckers to list items they want to sell or swap while traveling.
SkillMint
Find, meet and rate people with common skills and interests. Community-driven rating system.
Songkick
Songkick tracks your favorite bands so you never miss them live.
Stuff
A platform for invitations to private and public events.
SurfersList
The ultimate online solution for finding, buying, and selling new and used surf equipment.