3 Best Open Source Calendly Alternatives
A curated collection of the 3 best open source and self-hosted alternatives to Calendly in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Calendly in 2026? The top open-source alternative is Cal.com — Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API..
Other highly rated open-source Calendly alternatives include Rallly and Easy!Appointments.
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.
A user-friendly, open-source tool for coordinating events and meetings without the hassle of back-and-forth emails or messages.
A user-friendly, open-source tool for coordinating events and meetings without the hassle of back-and-forth emails or messages.
Self-hosted appointment scheduling solution with Google Calendar sync, customizable workflows, and no monthly fees. Perfect for healthcare, salons, and service businesses.
Self-hosted appointment scheduling solution with Google Calendar sync, customizable workflows, and no monthly fees. Perfect for healthcare, salons, and service businesses.
About Calendly
An easy-to-use appointment scheduling software that enables professionals and businesses to set availability and helps users schedule meetings without the back-and-forth emails, integrating with various calendar services.