Self-hosted Groupware software
Collaborative software or groupware is designed to help people working on a common task to attain their goals. Groupware often regroups multiple services such as file sharing, calendar/events management, appointment scheduling, address books... in a single, integrated application.
20 projects, sorted by GitHub stars (as recorded in the dataset). Star counts and dates come from the dataset snapshot, not live.
| Name | Description | License | Stars | Updated | Platforms | |
|---|---|---|---|---|---|---|
| Nextcloud | Access and share your files, calendars, contacts, mail and [more](https://apps.nextcloud.com/) from any device, on your terms. | AGPL-3.0 | 37,182 | 2026-10-21 | PHP, deb | Source |
| Seafile | File hosting and sharing solution primary for teams and organizations. | GPL-2.0, GPL-3.0, AGPL-3.0, Apache-2.0 | 15,353 | 2026-10-16 | C | Source |
| Colanode | Collaboration suite with real-time messaging, rich text pages, file management, and dynamic databases - built for offline work (alternative to Slack, Notion). | Apache-2.0 | 5,171 | 2026-04-03 | K8S, Docker | Source |
| SOGo | SOGo offers multiple ways to access the calendaring and messaging data. CalDAV, CardDAV, GroupDAV, as well as ActiveSync, including native Outlook compatibility and Web interface. | LGPL-2.1 | 2,175 | 2026-10-14 | Objective-C | Source |
| Sync-in | File storage, syncing, sharing, and collaboration with real-time editing, permission management, and desktop/CLI clients. | AGPL-3.0 | 1,943 | 2026-10-19 | Nodejs, Docker | Source |
| bewCloud | File sharing + sync, notes, and photos (alternative to Nextcloud and ownCloud's RSS reader). | AGPL-3.0 | 1,242 | 2026-10-18 | Docker | Source |
| Openmeetings | Video conferencing, instant messaging, whiteboard, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming. | Apache-2.0 | 688 | 2026-10-20 | Java | Source |
| egroupware | Software suite including calendars, address books, notepad, project management tools, client relationship management tools (CRM), knowledge management tools, a wiki and a CMS. | GPL-2.0 | 299 | 2026-10-20 | PHP | Source |
| Group Office | Enterprise CRM and groupware tool. Share projects, calendars, files and e-mail online with co-workers and clients. | AGPL-3.0 | 284 | 2026-10-20 | PHP | Source |
| Tracim | Collaborative Platform for team collaboration: file,threads,notes,agenda,etc. | AGPL-3.0, LGPL-3.0, MIT | 275 | 2026-10-07 | Python | Source |
| Tine | Software for digital collaboration in companies and organizations. From powerful groupware functionalities to clever add-ons, tine combines everything to make daily team collaboration easier. | AGPL-3.0 | 22 | 2026-10-21 | Docker | Source |
| Citadel | Groupware including email, calendar/scheduling, address books, forums, mailing lists, IM, wiki and blog engines, RSS aggregation and more. | GPL-3.0 | — | — | C, Docker, Shell | Source |
| Cozy Cloud | Personal cloud where you can manage and sync your files, notes, contacts, passwords, and documents. | GPL-3.0 | — | — | Nodejs | Source |
| Digibuzzer | Create a virtual game room around a connected buzzer (documentation in French). | AGPL-3.0 | — | — | Nodejs | Source |
| Digipad | An online self-hosted application for creating collaborative digital notepads (Documentation in french). | AGPL-3.0 | — | — | Nodejs | Source |
| Digiscreen | Interactive whiteboard/wallpaper for the classroom, in person or remotely (documentation in French). | AGPL-3.0 | — | — | Nodejs, PHP | Source |
| Digistorm | Create collaborative surveys, quizzes, brainstorms, and word clouds (documentation in French). | AGPL-3.0 | — | — | Nodejs | Source |
| Digitools | A set of simple tools to accompany the animation of courses in person or remotely. (documentation in French). | AGPL-3.0 | — | — | PHP | Source |
| Digiwall | Create multimedia collaborative walls for in-person or remote work (documentation in French). | AGPL-3.0 | — | — | Nodejs | Source |
| Zimbra Collaboration | Email, calendar, collaboration server with Web interface and lots of integrations. | GPL-2.0, CPAL-1.0 | — | — | Java | Source |