SHSelfHostIndex
OP

Open Event Server

Self-hosted event management and ticketing backend

Calendar & Contacts Archived ★ 3k stars Hard setup GPL-3.0

This project is archived. Upstream development has stopped, so expect no new features or security fixes. Consider an actively maintained calendar & contacts alternative.

Open Event Server is an open-source backend for organizing events, managing sessions, and selling tickets. It powers event websites and mobile apps through a REST API.

Official siteSource code

Key features

  • Event and session management
  • Ticket sales
  • REST API
  • Powers websites and apps

Strengths

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Active community (3k GitHub stars)
  • Written in Python

Is Open Event Server secure?

1 known vulnerability affects Open Event Server's latest release (v1.19.1) according to OSV.dev; the most severe is rated high.

Affecting v1.19.1

AdvisorySeveritySummary
CVE-2026-63101HighOpen Event Server 1.19.1 Unauthenticated Member Roster Export via CSV Export Endpoint

Source: OSV.dev, checked 2026-10-14. How this is measured.

Open Event Server replaces

Self-hosted Eventbrite alternativesSelf-hosted Sched alternatives

Health badge

Maintain Open Event Server? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 15 · archived

Markdown
[![SelfHostIndex health score for Open Event Server](https://selfhostindex.com/badge/open-event-server.svg)](https://selfhostindex.com/app/open-event-server/)
HTML
<a href="https://selfhostindex.com/app/open-event-server/"><img src="https://selfhostindex.com/badge/open-event-server.svg" alt="SelfHostIndex health score for Open Event Server"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/open-event-server.svg
   :alt: SelfHostIndex health score for Open Event Server
   :target: https://selfhostindex.com/app/open-event-server/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

Similar calendar & contacts apps