Microsoft 365

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Mail, calendars and contacts only.

Langage

Rust

Licence

Aucune détectée

Étoiles

15k

Dernière release

v0.16.25

Dernier push

2026-10-05

Aucune licence détectée

mailcow: dockerized - 🐮 + 🐋 = 💕

Mail, calendars and contacts; ActiveSync for mobile clients.

Langage

JavaScript

Licence

GPL-3.0

Étoiles

14k

Dernière release

2026-09a

Dernier push

2026-10-06

ONLYOFFICE Docs is a free collaborative online office suite comprising viewers and editors for texts, spreadsheets and presentations, forms and PDF, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.

Browser-based co-editing of Word, Excel and PowerPoint files, without mail and Teams.

Langage

Shell

Licence

AGPL-3.0

Étoiles

7k

Dernière release

v9.4.0

Dernier push

2026-07-22

Open-source office suite pack that comprises all the tools you need to work with documents, spreadsheets, presentations, PDFs, and PDF forms on Windows, Linux, and macOS

Desktop editors for Word, Excel and PowerPoint files, without mail or cloud storage.

Langage

Inconnu

Licence

AGPL-3.0

Étoiles

5.5k

Dernière release

v9.4.0

Dernier push

2026-05-21

Read-only LibreOffice core repo - no pull request (use gerrit instead https://gerrit.libreoffice.org/) - don't download zip, use https://dev-www.libreoffice.org/bundles/ instead

Desktop word processor, spreadsheet and presentations that open Office formats, without cloud services.

Langage

C++

Licence

GPL-3.0

Étoiles

4.5k

Dernière release

libreoffice-26.8.1.1

Dernier push

2026-10-06

Issue tracker only. Active development is on Gerrit at https://gerrit.collaboraoffice.com/.

Browser editing of Word, Excel and PowerPoint files, without mail and Teams.

Langage

Shell

Licence

Other

Étoiles

3.4k

Dernière release

25.04.7-mobile

Dernier push

2026-10-06

SOGo is a very fast and scalable modern collaboration suite (groupware). It offers calendaring, address book management, and a full-featured Webmail client along with resource sharing and permission handling. It also makes use of documented standards (IMAP, CalDAV, CardDAV, etc.) and thereby provides native connectivity (without plugins) to many clients such as Microsoft Outlook, Apple iCal, the iPhone, Mozilla Lightning, and a plethora of mobile devices.

Webmail, calendars and contacts over IMAP, CalDAV and CardDAV, with ActiveSync for phones.

Langage

Objective-C

Licence

GPL-2.0

Étoiles

2.2k

Dernière release

SOGo-5.12.11

Dernier push

2026-10-02