Scheduling & Booking
Open-source Calendly alternatives — meeting scheduling and appointment booking on your own domain.
Scheduling infrastructure for everyone, the open-source Calendly alternative
Open-source online appointment scheduling built on Cal.com
Open-source hotel reservation and channel management system
Node.js job scheduling library with persistent MongoDB-backed queue
Self-hosted scheduling polls to find the best time for a group to meet
Lightweight CalDAV and CardDAV server with minimal configuration
Open platform to collect, vote on, and prioritise user feedback
Self-hosted appointment scheduler for service businesses with provider and service management
Self-hosted event management and ticketing for any scale
Lightweight CalDAV and CardDAV server based on sabre/dav
Open-source ticket sales and event registration platform for any scale
CERN's open-source event and conference management platform
Flexible self-hosted tournament management with live public rankings
When2meet-style group availability finder you can self-host
Open-source CardDAV, CalDAV, and WebDAV framework for PHP
Open-source ticket reservation platform for events of any size
Beautiful open-source scheduling page and availability management tool
Full-featured CalDAV calendar server built into Nextcloud with sharing and scheduling
Minimalist appointment slot booking system with email confirmation
Elixir/Phoenix meeting scheduling platform you can self-host