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.

言語

Rust

ライセンス

検出されず

スター

15k

最新リリース

v0.16.25

最終プッシュ

2026-10-05

ライセンス未検出

mailcow: dockerized - 🐮 + 🐋 = 💕

Mail, calendars and contacts; ActiveSync for mobile clients.

言語

JavaScript

ライセンス

GPL-3.0

スター

14k

最新リリース

2026-09a

最終プッシュ

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.

言語

Shell

ライセンス

AGPL-3.0

スター

7k

最新リリース

v9.4.0

最終プッシュ

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.

言語

不明

ライセンス

AGPL-3.0

スター

5.5k

最新リリース

v9.4.0

最終プッシュ

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.

言語

C++

ライセンス

GPL-3.0

スター

4.5k

最新リリース

libreoffice-26.8.1.1

最終プッシュ

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.

言語

Shell

ライセンス

Other

スター

3.4k

最新リリース

25.04.7-mobile

最終プッシュ

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.

言語

Objective-C

ライセンス

GPL-2.0

スター

2.2k

最新リリース

SOGo-5.12.11

最終プッシュ

2026-10-02