
tine
PHP-based modular groupware for calendar, contacts, email, CRM and files

tine is a modular, PHP-based groupware platform that provides integrated collaboration services for organizations. It bundles calendar, contacts, mail, tasks, CRM, time tracking and file management with sync protocols for common clients.
Key Features
- Unified groupware stack: calendar, address book, tasks, email client, CRM, project time tracking and file manager
- Sync protocols: CalDAV, CardDAV, WebDAV and ActiveSync for broad client compatibility
- Authentication and user management with role/permission support and licensing options
- Deployable as OCI/Docker images with support for PHP 8.1–8.3, MySQL/MariaDB and Redis backends
- Modern web UI built with JavaScript and Vue; server-side runs on PHP (php-fpm) behind Nginx or Apache
- Extensible add-on architecture and administrative tooling for operators
Use Cases
- Provide on-premises collaboration for small to medium organizations replacing cloud groupware
- Centralize CRM, email and time tracking for project billing and client management
- Synchronize calendars and contacts across mobile and desktop clients using CalDAV/CardDAV/ActiveSync
Limitations and Considerations
- Official community releases restrict free instances to five user accounts without a licence key
- Production deployments require careful planning for performance, HA and security; operators should be trained
- Some enterprise features and commercial support are available only via paid packages
tine is suitable for organizations that need a self-hosted, full-featured groupware platform with broad client compatibility and an extensible modular architecture. It is designed for administrators who can manage PHP/MySQL-based deployments and prefer on-premise control.
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JavaScript
Redis
Docker
PHP
MariaDB
PHP-FPM