Zoho Bookings alternatives: 2 open-source picks
These 2 Zoho Bookings alternatives replace it for $0, led by Cal.com and Easy!Appointments. All 2 are open source. License, stars and last commit checked by hand on 2026-08-29. No trials, no crippled tiers.
Open scheduling infrastructure with booking pages, round-robin, routing forms, and app integrations
licenseAGPL-3.0 (+EE)
runsyour server
setupnot verified by us yet — check the repo README
facts verified 2026-08-29
A proper provider-and-service booking system, provided you will also become its PHP and MySQL caretaker.
licenseGPL-3.0
runsyour server
installUpload the release to PHP hosting, create a MySQL database, edit the configuration and run the web installer; Docker is optional
dataBookings, providers, services and customers live in MySQL; configuration and logs live on the web server, with optional Google Calendar synchronization
the catch vs Zoho BookingsIt has no Zoho application ecosystem or managed operations, and the owner must maintain the PHP and MySQL server.
setupPHP and MySQL hosting with database permissions; Google Calendar sync additionally requires a Google Cloud OAuth application
facts verified 2026-08-10
What each one is, in full: Cal.com
last updated 2026-08-29 · no votes, no pay-to-list · just what's real
how to choose a Zoho Bookings alternative
Most proven
Cal.com, with 48,433 GitHub stars — the largest community of the 2, which usually means more answers when something breaks.
Needs real ops to self-host
Easy!Appointments is capable but expects someone to run a server, updates and backups. Budget for that before choosing it.
what you give up by leaving Zoho Bookings
- team routing and round robin
- reliable reminders and timezone edge cases
- calendar-provider edge cases and timezone correctness
- multi-calendar conflict handling
- race-free booking under load
None of the picks above covers all of it. The full verdict says which gaps matter.
Zoho Bookings alternatives at a glance
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| Cal.com | AGPL-3.0 (+EE) | docker to self-host | self-hosted, web | 48,433 | 2026-09 |
| Easy!Appointments | GPL-3.0 | self-host, real ops | web, self-hosted | 4,370 | 2026-09 |
why people still pay for Zoho Bookings
Zoho Bookings: People pay because a booking tool must never double-book them, leak private events, or send the wrong time to a client.
questions about switching from Zoho Bookings
Is there an open-source alternative to Zoho Bookings?
Yes: Cal.com, Easy!Appointments. Every tool on this page is open source: no trials, no crippled tiers.
Can open source really replace Zoho Bookings?
Our verdict is YES. Cal.com (48k stars), Easy!Appointments (4k stars) are mature open-source replacements for Zoho Bookings — self-host with docker and stop paying. The full verdict, and what you give up by switching, is at caniopensourceit.online/zoho-bookings.
What is the most popular open-source Zoho Bookings alternative?
By GitHub stars, Cal.com (48,433). Easy!Appointments is next with 4,370.
