Cal.diy vs Eventbrite
Cal.diy and Eventbrite are both booking and scheduling software. Cal.diy is open source under MIT, with 50k GitHub stars. Eventbrite is a commercial product from Eventbrite, Inc.
Which to pick
- Pick Cal.diy when
- You want to self-host personal booking links without a Cal.com licence and can run Next.js with Postgres.
- Pick Eventbrite when
- You run public events and want ticketing plus exposure to people browsing Eventbrite for things to do.
Side by side
Cal.diy, the fully MIT-licensed community edition of Cal.com for booking pages and scheduling, with enterprise features removed.
Event ticketing and registration with event pages, payments, check-in app and an event discovery marketplace.
Teams, workflows, SSO and other enterprise features are removed, and the project itself recommends it only for personal, non-production use.
Per-ticket fees are relatively high and organiser-side fees have risen.
Usable
Production-ready
Self-hosted server
Cloud service and mobile app
TypeScript, Next.js, Prisma, tRPC and PostgreSQL
Not published
Open source, MIT (permissive)
Closed source, sold by Eventbrite, Inc.
You can build it into a product you sell, as long as you keep its copyright notice.
Closed source: you use it under the maker's terms and cannot change or resell the code.
50k GitHub stars
2.1k Wikipedia readers a month on phones
Established: started 5 years ago, latest release v6.2.0.
Not known
Other comparisons
More booking and appointment scheduling tools
Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.