
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 ⭐️

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.

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

General-purpose AI designed for knowledge workers — creators, strategists, and operators — and individuals seeking AI systems they can truly control to help them get work done, with full flexibility to extend and deploy anywhere (VPC, on-prem, or cloud).

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Infisical is the open-source platform for secrets, certificates, and privileged access management.

🎧 Your Personal Streaming Service

A self hosted virtual browser that runs in docker and uses WebRTC.