Best Self-hosted Community Events & Conference Management tools in 2026

Open-source platform for event management, online ticket sales, and attendee check-in with branded event pages, promo codes, analytics, and Stripe payouts.

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Eventbrite+18

Indico is a web-based event management platform for meetings, lectures, workshops, and conferences, with workflows for registration, reviewing, and room booking.

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Cvent+14

Open-source, self-hosted tournament system for creating and managing Swiss, single‑elimination and round‑robin tournaments with scheduling, dashboards, team/club manageme...

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Challonge+4

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

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Eventbrite+19

OSEM (Open Source Event Manager) is a web app for managing conferences, including call for papers, scheduling, registration, ticketing, and event splash pages.

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pretalx Hosted+14

pretalx is open-source conference management software for call for papers, speaker and reviewer workflows, scheduling, and publishing event programs.

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pretalx Hosted+11

DOMjudge is an automated jury system for programming contests, providing submissions, judging, scoreboards, and admin tools for ICPC-style events.

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CTFd Cloud+1

Open-source audience interaction platform for live presentations with real-time polls, quizzes, and Q&A, suitable for classrooms, meetings, and events.

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Slido+5

OpenSlides is a web-based assembly and event system for managing agendas, motions, speakers lists, and conducting digital elections and votes.

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Civica Modern.Gov+13

Open-source web application for complex organization hierarchies: members, events, courses, mailings and payments. Plugin-based, Rails-backed, community-driven.

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WildApricot+12

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

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Evite+12

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

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WildApricot+14

Self-hosted web app for family wishlists to share gift ideas, avoid duplicate gifts, supports SSO, CouchDB/PouchDB storage and Docker deployment.

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Elfster+3

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

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Meetup+6

Open-source platform to submit, discuss, amend and vote on motions and resolutions; supports speaking lists, roll calls, PDF/CSV exports and SSO integration.

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Civica Modern.Gov+9

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.

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Whova+16

Dribdat is a Flask-based, open-source platform for organising hackathons, code sprints and challenge-driven events with project curation, integrations and progress tracki...

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Devpost+3

Web application and API that crowdsources and maps community-supported agriculture (CSA) locations in Germany, Switzerland and Austria; includes admin UI and REST API.

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

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Meetup+13

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

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Meetup+19

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

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Meetup+19