Self-Hosted Microsoft 365 Alternatives
Microsoft 365 is not available as a self-hosted solution but there are plenty of alternatives for power users and business that want to host a solution on-premise. The best Self-Hosted alternative is Nextcloud, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Microsoft 365 and 19 are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Microsoft 365 are ONLYOFFICE, Twake, Nextcloud Hub and Zimbra Collaboration Suite.
Microsoft 365 alternatives are mainly Word Processors but may also be Office Suites or Spreadsheet Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Microsoft 365.Nextcloud
Is this is a good alternative?YesNo- Free • Open Source
- Cloud Storage Service
- File Sync Tool
- Online Backup Tool
136 Nextcloud alternatives- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- F-Droid
- Cloudron
You should have full control over your data. We help you achieve that: a safe home for all your data. Secure, under your control and developed in an open, transparent and trustworthy way. We are Nextcloud.
- - Nextcloud is the most popular Web-based, Android, iPhone, iPad, Android Tablet & Self-Hosted alternative to Microsoft 365.
Nextcloud Features
Comments about Nextcloud as a Alternative to Microsoft 365
DreadfuldarkThis is a totally different product. It is not an office suite.
1altenativetoHas a convincing onlyoffice integration. +Better data protection. Feels like 2 Years behind office but works very well in the Browser.
1Only comparable to one tool or service of O365.
-1ONLYOFFICE
Is this is a good alternative?YesNo- Free Personal • Open Source
- Office Suite
- Word Processor
- Spreadsheet App
64 ONLYOFFICE alternatives- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- AppImageHub
- Snapcraft
- Flathub
- Software as a Service (SaaS)
- Flatpak
- Cloudron
ONLYOFFICE is an open-source online collaborative office combining editors for documents, spreadsheets, presentations, and forms. It is compatible with all popular formats and features maximum support for MS Office files.
- - ONLYOFFICE is the most popular SaaS alternative to Microsoft 365.
ONLYOFFICE Features
Comments about ONLYOFFICE as a Alternative to Microsoft 365
altenativetoProbably better team functions and good integration in an environment with higher data protection standards.
1Very goodcompatibility with officeXML files
1Twake
Is this is a good alternative?YesNo- Freemium • Open Source
- Team Collaboration Tool
- Task Management Tool
- Spreadsheet App
122 Twake alternatives- Mac
- Windows
- Linux
- Self-Hosted
Twake is a real-time teamwork platform. It is a suite of collaborative tools that includes the specificities of some bestsellers (Slack, Trello, Google Drive...). We provide professional messaging, storage space, online collaborative editors (Words, Excel, PowerPoint), task...
Twake Features
Nextcloud Hub
Is this is a good alternative?YesNo- Free • Open Source
- Team Collaboration Tool
- Calendar App
- Document Manager
53 Nextcloud Hub alternatives- Self-Hosted
Nextcloud is the most deployed on-premises file share and collaboration platform. Access & collaborate across your devices. As fully on-premises solution, Nextcloud Hub provides the benefits of online collaboration without the compliance and security risks.
Nextcloud Hub Features
Zimbra Collaboration Suite
Is this is a good alternative?YesNo- Freemium • Open Source
- Mail Server
- Calendar App
- Team Collaboration Tool
41 Zimbra Collaboration Suite alternatives- Linux
- Online
- Self-Hosted
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
Zimbra Collaboration Suite Features
Kolab Community
Is this is a good alternative?YesNo42 Kolab Community alternatives- Freemium • Open Source
- Linux
- Online
- Self-Hosted
Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to us, and hope that it is important to you thereafter.
Kolab Community Features
WikiSuite
Is this is a good alternative?YesNo8 WikiSuite alternatives- Free • Open Source
- Linux
- Self-Hosted
WikiSuite™ is especially suited to knowledge-centric organizations and offers most (80%+) of the data and information management features all organizations need.
WikiSuite Features
Kopano
Is this is a good alternative?YesNo- Paid • Open Source
- Mail Server
- Email Client
- Mobile Device Management (MDM) Tool
24 Kopano alternatives- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- Windows Phone
- iPad
- Self-Hosted
- Microsoft Office Outlook
- S/MIME
- Software as a Service (SaaS)
Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface.
Kopano Features
Open365
Is this is a good alternative?YesNo38 Open365 alternatives- Free • Open Source
- Office Suite
- Email Client
- Android
- Self-Hosted
The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE. Improve your productivity and communicate better with your team members. The world is moving forward. Welcome to the open source cloud!.
Open365 Features
DiscontinuedThe 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.
Files app
Is this is a good alternative?YesNo105 Files app alternatives- Freemium • Proprietary
- Self-Hosted
Single-file PHP app that can be dropped into any folder, instantly creating a gallery of files and folders.
Files app Features