Mobilizon
French open-source federated event platform originally created by Framasoft and now maintained by French non-profit Kaihuri. Organise events and groups without ads, tracking, or data exploitation. Federated via ActivityPub: host your own instance or join an existing one.
Quick facts
Why does it score 92?
Mobilizon is maintained by Kaihuri, a French non-profit.
Kaihuri has no outside investors; it's funded by NLnet.
Mobilizon's flagship instance runs on Hetzner's servers in Germany, powered by renewable energy.
Mobilizon is fully open source and federated via ActivityPub, with 79 instances worldwide as of early 2025.
See how they compare
MobilizonWhat does it replace?
Facebook 
Meetup 
Eventbrite More European Social media & communities alternatives
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