Best Open Source Appointment Scheduling Tools using NodeJS in 2026

Cal.com

Self-host your own scheduling page, no vendor required

Stars
46,690
Forks
14,513
Last commit
17 hours ago

Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.

Open Source Alternative to:

Calendly

Easy!Appointments

Free open-source appointment booking for any business

Stars
4,270
Forks
1,545
Last commit
2 days ago

Self-hosted appointment scheduling solution with Google Calendar sync, customizable workflows, and no monthly fees. Perfect for healthcare, salons, and service businesses.

Open Source Alternative to:

Calendly

Rallly

Effortless group scheduling for seamless collaboration

Stars
5,171
Forks
540
Last commit
11 hours ago

A user-friendly, open-source tool for coordinating events and meetings without the hassle of back-and-forth emails or messages.

Open Source Alternative to:

Calendly

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Cal.com

Self-host your own scheduling page, no vendor required

Stars
46,690
Forks
14,513
Last commit
17 hours ago

Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.

Open Source Alternative to:

Calendly

Easy!Appointments

Free open-source appointment booking for any business

Stars
4,270
Forks
1,545
Last commit
2 days ago

Self-hosted appointment scheduling solution with Google Calendar sync, customizable workflows, and no monthly fees. Perfect for healthcare, salons, and service businesses.

Open Source Alternative to:

Calendly

Rallly

Effortless group scheduling for seamless collaboration

Stars
5,171
Forks
540
Last commit
11 hours ago

A user-friendly, open-source tool for coordinating events and meetings without the hassle of back-and-forth emails or messages.

Open Source Alternative to:

Calendly

Open Source Appointment Scheduling Tools using NodeJS

A curated collection of the best open source software for booking appointments and managing calendars. using NodeJS.

Cal.com

Easy!Appointments

Rallly

Cal.com

Easy!Appointments

Rallly