Open Source Scheduling & Event Management Software
Scheduling & Event Management software coordinates appointments, ticket sales, and calendar availability. These tools automate the process of booking time slots and managing attendee registrations for conferences or medical practices. This type of software serves business owners and event organizers who need to handle sensitive client schedules and payment records on their own hardware. By hosting these apps independently, you avoid external service dependencies and keep attendee lists and booking histories on private servers.
This page lists 14 open source tools in the Scheduling & Event Management category. The most popular are Cal.com, QloApps and OpenEMR. Most use the AGPL-3.0 or GPL-3.0 license, and 13 offer an official Docker image.
Cal.com
A self-hosted scheduling platform for managing appointments and calendar synchronization without commercial dependencies or license keys.
QloApps
A hotel reservation system and booking engine for launching and managing hospitality business websites.
OpenEMR
Manage electronic health records and medical practice operations with integrated scheduling and electronic billing tools.
Rallly
A scheduling tool for coordinating group meetings through date and time polls to find common availability.
Easy!Appointments
Self-hosted appointment scheduler with Google Calendar sync, customizable workflows, and multi-language support for service businesses
Hi.Events
Manage event registrations and sell tickets online with a self-hosted platform featuring QR code check-ins.
pretix
A ticket shop application for managing presales for conferences, festivals, concerts, and other professional events.
Indico
A web-based event management system for organizing conferences, managing meetings, and handling room bookings.
Bracket
Self-hosted tournament management system for organizing and managing single elimination, round-robin, and swiss format competitions.
Alf.io
An event attendance management system for handling ticket reservations for conferences, trade shows, and workshops.
Keeper
Aggregate and synchronize calendar events across multiple remote sources and destinations to align time slots.
pretalx
Manage conference submissions, speaker communications, and event scheduling through a configurable call for participation system.
OSEM
Manage schedules and registrations for free and open source software conferences with a dedicated management tool.
LibreBooking
A resource scheduling solution for organizations to manage reservations through a flexible and mobile friendly interface.
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