
Ticket shop application for conferences, festivals, concerts, tech events, shows, exhibitions, workshops, barcamps, etc.

Pretix is a powerful open-source ticket shop application designed for conferences, festivals, concerts, and events of all sizes. It enables organizers to sell millions of tickets efficiently while providing a seamless experience for both vendors and attendees. The platform has proven its stability through years of production use across thousands of events worldwide.
Pretix is ideal for event organizers, conference organizers, festival promoters, and venues of any size that need a reliable, customizable ticket sales platform. It serves organizations ranging from small community events to large international conferences managing thousands of attendees.

Rallly is an open-source scheduling and collaboration tool designed to make organizing events and meetings easier.

Open-source event management and ticket selling platform — perfect for concerts, conferences, and everything in between 🎟️ If you find this project helpful, please consider giving us a star ⭐️

Indico - A feature-rich event management system, made @ CERN, the place where the Web was born.

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

Open Source Event Manager. An event management tool tailored to Free and Open Source Software conferences.

Conference planning tool: CfP, scheduling, speaker management

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Production-ready platform for agentic workflow development.

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Virtual whiteboard for sketching hand-drawn like diagrams

JavaScript API for Chrome and Firefox

The world’s fastest framework for building websites.

:house_with_garden: Open source home automation that puts local control and privacy first.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

Open Source Continuous File Synchronization