GroupOffice is a groupware and CRM platform for enterprises and the public sector.
It brings together email, calendars, contacts, file sharing, video conferencing, project and time tracking, quotes, invoicing, support ticketing, and office document collaboration in a single self-hostable system.
This is free and open source software.
Key Features
- Provides integrated groupware, CRM, and document management tools.
- Includes email, calendar, contacts, notes, tasks, and file sharing.
- Offers project management, time tracking, quotes, and invoicing.
- Supports support ticketing for handling customer requests.
- Integrates with Collabora Online for office document editing.
- Can be self-hosted or run using Docker-based deployments.
- Supports custom modules for extending the platform.
Website: github.com/Intermesh/groupoffice
Support:
Developer: Intermesh
License: GNU Affero General Public License v3.0

GroupOffice is written in PHP and JavaScript. Learn PHP with our recommended free books and free tutorials.
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