Alternatives to Microsoft Office 365 for Self-hosting with any license

ONLYOFFICE

ONLYOFFICE is an opensource office and productivity suite that enables you to manage documents, projects, team and customer relations in one place. ONLYOFFICE is...

Freemium $ $ $ Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted
Compatible with Microsoft Office Collaborative Workspaces Multiple languages Works Offline ... Real time collaboration Excel White-labeled Add a feature

258 Like
CryptPad

With CryptPad, you can make quick collaborative documents for taking notes and writing down ideas together.

Free Open Source Self-Hosted Software as a Service (SaaS)
Collaborative writing Apps with End-to-End Encryption Real time collaboration Direct file uploading ... Encrypted Notes MarkDown support Multiple languages No registration required Notetaking Privacy focused Real-time Real time collaboration Scheduling WYSIWYG Support Add a feature

60 Like
Open365

The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE. Improve your productivity and communicate better with your team members. The world is...
- Discontinued The project seems to be no longer developed. Last commit on the GitHub repo was made on June 27th, 2016, but it can be still downloaded and installed.
Free Open Source Android Self-Hosted
Cloud sync Add a feature

28 Like
Kolab Community

Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

Freemium Open Source Linux Web Self-Hosted
CalDAV CardDAV Real time collaboration Support for WebDAV Add a feature

37 Like
WikiSuite

The most comprehensive and integrated Free / Libre / Open Source software suite ever developed.

Free Open Source Linux Self-Hosted
Real time collaboration Add a feature

8 Like
Axigen

Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution. It grants extensive branding...

Commercial Mac Windows Linux BSD Self-Hosted ... Microsoft Office Outlook Software as a Service (SaaS)
Clustering Group collaboration Api API Integration ... CalDAV CardDAV Clustering Support Customizable Customizable branding Delegated Administration Support for Docker Email Archiving Flexible customizations Email Server Multiple languages Real time collaboration Shared calendars Shared folders White-labeled Add a feature

11 Like
Hub

The Hub is an intelligent intranet portal and collaboration software that helps drive employee engagement, share news and resources, and communicate more effectively...

Commercial Mac Windows Linux Web Windows Mobile ... Android iPhone Android Tablet Windows Phone iPad Self-Hosted
Team Collaboration Group collaboration Active Directory integration Azure integration ... Blogging Client Portal Gmail integration Google Calendar integration Google Drive integration Office 365 integration Real time collaboration Single Sign-On Add a feature

2 Like
Livetiles

All-in-one solution for content, collaboration and integrations. Create beautifully engaging sites on SharePoint, Office 365 and Microsoft Azure and give teams a ...

Commercial Web Self-Hosted Microsoft SharePoint Microsoft Azure Microsoft Office 365
Real time collaboration Team Collaboration Add a feature

1 Like
Linchpin

Linchpin is an efficient social intranet platform that focuses on effective collaboration and reduces complexity by means of user-specific customization.

Commercial $ $ $ Mac Windows Linux Web Android ... iPhone Chrome OS Self-Hosted Confluence
Team Collaboration Extensible by Plugins/Extensions Real time collaboration Content Templates ... Customizable Integrated Search Mobile apps Mobile friendly Optimized for Mobile Multiple languages Real time collaboration WYSIWYG Support Add a feature

5 Like
Graphite Docs

Graphite allows you to create, communicate, and share without giving up your privacy.

Free Open Source Web Self-Hosted Blockstack
Blockchain Contacts Decentralized Excel Add a feature

1 Like
Apache James

James stands for Java Apache Mail Enterprise Server! It has a modular architecture based on a rich set of modern and efficient components which provides at the end...

Free Open Source Mac Windows Linux Self-Hosted
Email Server Add a feature

0 Like