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pretix is an open-source ticketing and event registration application for conferences, festivals, concerts, exhibitions, workshops, and similar events. It provides tools for selling tickets online as well as handling on-site sales and attendee management.

Key Features

• Configurable ticket shop for pre-sales with quotas, product variations, and add-ons
• Box office and on-site check-in workflows for live events
• Multi-language support for events and storefronts
• Extensible architecture via plug-ins and a REST API for integrations
• Attendee management features such as order management, participant data collection, and invoicing

Use Cases

• Sell tickets and manage registrations for conferences and community events
• Run ticket sales for venues, museums, exhibitions, and public attractions
• Integrate ticketing into an existing software landscape via API and plug-ins

pretix is a mature, production-used platform designed for organizers who need a flexible ticket shop and reliable operations for both online and on-site event workflows. Its extensibility and multilingual capabilities make it suitable for a wide variety of event formats and scales.