classroombookings vs LibreBooking

Classroombookings is an online room and resource booking system for schools, colleges, charities, and other organisations. It can run as a hosted web service or be self-hosted. Its timetable settings support one-week, two-week, or longer cycles mapped to calendar weeks, and recurring bookings can repeat at the same time, in the same room, and on the same timetable week. Different room groups can follow different schedules, with periods restricted to selected weekdays. Viewing and booking permissions can be assigned by department, role, or individual user. Rooms can be grouped and described with custom fields, locations, owners, and images. The system can also manage resources such as equipment, labs, meeting rooms, community spaces, sports fields, event spaces, minibuses, and coaches. Self-hosting requires a PHP-capable web server and MySQL database; that edition is offered under AGPLv3, with a source-sharing condition for modified software used over a network. Cloud organisations have isolated databases, and the hosted service includes maintenance, updates, and email support.

LibreBooking is an open-source resource scheduling system for organizations that manage reservations. It supports bookings across multiple resources, waitlists and recurring bookings, with check-in for reservations. Role-based access controls, reservation quotas and credits, and granular usage reports help organizations manage access and track use. The interface is described as mobile-friendly and responsive, with custom themes and color schemes. Calendar integration with Outlook and Thunderbird uses ICS; authentication guides cover LDAP, Active Directory, OAuth2 and SAML. An optional RESTful JSON API supports third-party integrations, automation or client applications, and the project provides documentation for custom plugins. Organizations can install a prebuilt release, deploy with Docker, or install manually. Manual installation requires PHP 8.2 or later, Apache 2.4 or later, and MySQL 8.0 or MariaDB 10.6 or later; other web servers are not currently supported or tested. LibreBooking is free, licensed under GPL-3.0, and available for Linux, self-hosted and web use. The README warns that versions earlier than 7.0.0 have a critical vulnerability that can permit unauthenticated administrator account takeover; it says to upgrade to 7.0.0 or later immediately.