Open-source alternatives to Calendly
The most popular self-hosted, open-source alternatives to Calendly (meeting scheduling and booking) are Cal.diy (49,139 GitHub stars), Easy!Appointments (4,444 GitHub stars) and LibreBooking (830 GitHub stars). SelfHostHub lists 5 options below, taken from its Booking and Scheduling and Polls and Events categories; 2 support Docker and all of them can run on your own server.
Comparison of self-hosted Calendly alternatives
| Project | GitHub stars | Licence | Language / platform | What it does |
|---|---|---|---|---|
| Cal.diy | 49,139 | MIT | Nodejs | Online appointment scheduling system. |
| Easy!Appointments | 4,444 | GPL-3.0 | PHP | Allows your customers to book appointments with you via the web. |
| LibreBooking | 830 | GPL-3.0 | PHP, Docker | Resource scheduling solution offering a flexible, mobile-friendly, and extensible interface for organizations to manage resource reservations. |
| EventSchedule | 90 | AAL | PHP, Docker | Share events, sell tickets, and bring communities together. |
| Framadate | — | CECILL-B | PHP | Online service for planning an appointment or make a decision quickly and easily: Make a poll, Define dates or subjects to choose, Send the poll link to your friends or colleagues, Discuss and make a decision. |
Star counts and licences come from the awesome-selfhosted dataset and may lag GitHub slightly.
Browse the full categories
All self-hosted Booking and Scheduling · All self-hosted Polls and Events
Frequently asked questions
What is the best open-source alternative to Calendly?
By GitHub stars, Cal.diy is the most popular self-hosted alternative to Calendly listed here, followed by Easy!Appointments and LibreBooking. The best fit depends on the features and stack you need.
Is there a free self-hosted alternative to Calendly?
Yes. All 5 projects on this page are open source and can be self-hosted at no licence cost; you pay only for your own server.
Which licences do these Calendly alternatives use?
The most common licences among them are GPL-3.0 (2), MIT (1) and AAL (1).
Can I run a Calendly alternative with Docker?
2 of the 5 alternatives list Docker as a supported platform.