9 self-hosted Meetup alternatives

Open-source ticket shop and event registration software with online sales, box office mode, multilingual support, and extensible plug-ins and API.

2.5k stars652 forkslast commit 25 Aug 2026Actively maintained

Alf.io is an open source ticket reservation and event attendance management system for conferences, workshops, meetups, and trade shows.

1.6k stars398 forksGPL-3.0last commit 26 Jul 2026Actively maintained

Open-source PHP membership and user management system for clubs, associations and organizations with roles, events, media, documents and exports.

472 stars167 forksGPL-2.0last commit 19 Aug 2026Actively maintained

Create self-destructing, shareable event pages without registration. Privacy-focused, federated event hosting for ad-hoc and time-limited events.

459 stars61 forksGPL-3.0last commit 15 Aug 2026Actively maintained

Open-source event listing and aggregator built on Laravel. Provides iCal feeds, tags, RSVP, photos, and multiple authentication methods for community and organization event sites.

168 stars15 forksMITlast commit 10 Jul 2026Actively maintained

Atria is an AGPL-3.0 open-source platform for managing hybrid events, sessions, sponsors, and real-time attendee networking with chat and discovery tools.

98 stars4 forksAGPL-3.0last commit 6 Jan 2026Slowing down

Gancio is a self-hosted shared agenda for local communities, with anonymous event publishing, RSS/ICS exports, embeddable listings, and ActivityPub federation.

Activity unknown

Open-source tool for grassroots groups to schedule activities, share offers, and coordinate locally with maps, chats, and participatory governance.

Activity unknown

Mobilizon is a federated platform to create and discover events and groups, manage attendance, and publish event pages without relying on major social networks.

Activity unknown