Scheduling, Booking & Appointments

4 self-hosted open source alternatives in this category

Cal.com

Open scheduling infrastructure for teams and individuals

Open-source scheduling platform for booking meetings with availability, team routing, integrations, and embeddable booking pages.

Alternative to:

Calendly+9

Rallly

Schedule group events with polls and shareable links

4.9k

489

Last commit: 2d ago

Self-hosted scheduling polls for finding the best time to meet, with shareable links, time zone support, reminders, and optional participant voting.

Alternative to:

Doodle+4

OpenEMR

Open source electronic health records and practice management

4.6k

2.7k

Last commit: 2d ago

A full-featured EHR/EMR and medical practice management system with scheduling, e-prescribing integrations, billing/claims support, patient portal, and reporting.

Alternative to:

MyChart+9

Easy!Appointments

Self-hosted appointment scheduling for businesses and professionals

1.5k

Last commit: 3mo ago

Open-source appointment scheduling software with provider services, working plans, email notifications, and Google Calendar sync for online bookings.

Alternative to:

Calendly+9