Alternatives to G Suite for all platforms with Open Source License

ONLYOFFICE

Open source productivity suite for managing documents, collaborative projects, and CRM.

Freemium $ $ $ Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Software as a Service (SaaS) Cloudron
Collaborative Workspaces Compatible with Microsoft Office Nextcloud integration Real time collaboration ... Built-in translation End-to-End Encryption Equation editor Integrated Chat Integrated Youtube support Latex equations Multiple languages Works Offline Portable Real time collaboration Spreadsheets Tabbed interface White-labeled Add a feature

285 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

38 Like
Kolab Now

Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.

Commercial $ $ $ Open Source Web Software as a Service (SaaS) DAVdroid
CalDAV CardDAV Cloud Storage Email Server ... Notetaking Real time collaboration Security & Privacy Add a feature

41 Like
Zimbra Collaboration Suite

Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra...

Freemium Open Source Linux Web Self-Hosted
Active Directory integration ActiveSync Email Server Real time collaboration ... Team Collaboration Add a feature

29 Like
Kopano

Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface. Kopano helps you work smarter with people within and outside...

Freemium Open Source Mac Windows Linux Web Android ... iPhone Android Tablet Windows Phone iPad Self-Hosted Microsoft Office Outlook S/MIME Software as a Service (SaaS)
CalDAV File sharing Email Server Mobile Device Management ... On-premises software POP3 Support Real time collaboration Shared calendars Add a feature

27 Like
WikiSuite

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

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

10 Like
Nextcloud Hub

On-premises, enterprise collaboration solution for documents, emails, calendars and more.

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

1 Like
OpenChange

OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols. Exchange is a groupware server designed to work...

Free Open Source Linux
Exchange Email Server Add a feature

8 Like
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Giggle Web Suite

A free online web productivity suite that focuses on not using your data. It has a notes, calendar, and map application in addition to a search engine and many more...

Free Open Source Web
Driving directions Meta-Search Private notes Google Calendar integration ... Notetaking Web-Based Add a feature

1 Like
SMBMail

SMBMail is a groupware server built with a focus on scalability and open standards. It provides secure, enterprise-style email, calendar & collaboration without the...
- Costs less and does the same thing. Guest • Mar 2020
Commercial $ $ $ Open Source Mac Windows Linux Android iPhone
ActiveSync Email Server Access delegation Built-in Antivirus ... Integrated Spam Protection S/MIME support Shared calendars Two factor authentication Add a feature

1 Like