alf.ioalf.io - The open source ticket reservation system for conferences, trade shows, workshops, meetups

alf.io

alf.io is a free, open source ticket reservation and event attendance management system designed for event organizers who prioritize privacy, security, and fair pricing. Built with Java and PostgreSQL, it provides a self-hosted alternative to commercial ticketing platforms, giving you complete control over your event data and customer information.

Key Features

• Ticket Reservation System: Comprehensive booking and ticketing management for events of any size
• Privacy-First Design: Self-hosted solution with full control over attendee data and no third-party dependencies
• Multi-Event Support: Handle conferences, trade shows, workshops, meetups, and other event types
• Docker Deployment: Easy containerized deployment with official Docker images and Docker Compose support

Use Cases

• Conferences: Manage registration, ticket sales, and attendee tracking for large-scale conferences
• Community Events: Run ticketing for meetups and workshops without relying on external platforms
• Trade Shows: Handle complex ticketing scenarios with multiple ticket types and pricing options

Who Is It For

alf.io is ideal for event organizers and tech-savvy teams who want to self-host their ticketing infrastructure, maintain customer privacy, and avoid vendor lock-in from commercial ticketing providers.