Open Source Appointment Scheduling Tools using Postgres
A curated collection of the best open source software for booking appointments and managing calendars. using Postgres.
Self-host your own scheduling page, no vendor required
Stars
48,125Last commit
2 days agoLicense
MIT
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:
Effortless group scheduling for seamless collaboration
Stars
5,240Last commit
2 hours agoLicense
AGPL-3.0
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:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
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