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.

Lenguaje

Rust

Licencia

Ninguna detectada

Estrellas

15k

Última versión

v0.16.25

Último push

2026-10-05

Sin licencia detectada

mailcow: dockerized - 🐮 + 🐋 = 💕

Mail, calendars and contacts; ActiveSync for mobile clients.

Lenguaje

JavaScript

Licencia

GPL-3.0

Estrellas

14k

Última versión

2026-09a

Último 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.

Lenguaje

Shell

Licencia

AGPL-3.0

Estrellas

7k

Última versión

v9.4.0

Último 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.

Lenguaje

Desconocido

Licencia

AGPL-3.0

Estrellas

5.5k

Última versión

v9.4.0

Último 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.

Lenguaje

C++

Licencia

GPL-3.0

Estrellas

4.5k

Última versión

libreoffice-26.8.1.1

Último 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.

Lenguaje

Shell

Licencia

Other

Estrellas

3.4k

Última versión

25.04.7-mobile

Último 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.

Lenguaje

Objective-C

Licencia

GPL-2.0

Estrellas

2.2k

Última versión

SOGo-5.12.11

Último push

2026-10-02