Microsoft 365 alternatives: 7 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Microsoft 365: subscription only for the current apps; costs add up over the years, and bundled Copilot features raised prices for people who don't want AI. We ranked 7 alternatives by how directly each one replaces Microsoft 365, then by reviews, real visits and how recently each app's facts were checked against its own website. Google Workspace currently ranks first.

Quick comparison

#	App	Pricing	Open source	Platforms	Verified facts	Score
1	LibreOffice	Open source	Yes	Windows, macOS, Linux	4 of 4	62.6
2	ONLYOFFICE	Open source	Yes	Web, Windows, macOS +4	5 of 5	59.6

1. LibreOfficeTop pick
Best for: People and organisations who want a full free office suite on their own computers
Open sourceWindows, macOS, Linux
62.6
score / 100
Why switch from Microsoft 365
Free, open-source desktop suite that opens and saves Office formats with no subscription.
Pros
Completely free with six apps, including a database and drawing tool
Runs offline on Windows, macOS and Linux with no account
Uses the open ODF standard while still reading and writing Office files
Cons
Interface feels older than Microsoft 365 or Google Docs
Complex Office files can show layout differences
No built-in real-time co-editing
Visit LibreOffice Details and reviews
How this score is calculated
Editorial fit ×0.387
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is LibreOffice a good Microsoft 365 alternative?
Verified facts
4 of 4 verified
License
MPL 2.0
Checked Oct 25, 2026libreoffice.org(opens source in a new tab)
Latest version
26.8.1
Checked Oct 25, 2026libreoffice.org(opens source in a new tab)
Apps included
6 (Writer, Calc, Impress, Draw, Base, Math)
Checked Oct 25, 2026libreoffice.org(opens source in a new tab)
Price
Free
Checked Oct 25, 2026libreoffice.org(opens source in a new tab)
2. ONLYOFFICE
Best for: Teams wanting self-hosted, Office-compatible editing inside Nextcloud or similar
Open sourceSelf-hostableWeb, Windows, macOS, Linux, iOS, Android, Self-hosted
59.6
score / 100
Why switch from Microsoft 365
Open-source suite with very close .docx/.xlsx compatibility and a self-hosted server option.
Pros
Very close .docx/.xlsx/.pptx compatibility
Free desktop editors on Windows, macOS and Linux
Self-hostable server that integrates with Nextcloud, ownCloud and others
Cons
Free community server has limits on simultaneous connections
Many editions and product names make choosing confusing
Advanced features sit in paid Enterprise editions
Visit ONLYOFFICE Details and reviews
How this score is calculated
Editorial fit ×0.377
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is ONLYOFFICE a good Microsoft 365 alternative?
Verified facts
5 of 5 verified
License
AGPLv3 (core of Docs)
Checked Oct 25, 2026onlyoffice.com(opens source in a new tab)
Desktop platforms
Windows, macOS, Linux
Checked Oct 25, 2026onlyoffice.com(opens source in a new tab)
Free plan
DocSpace Startup, up to 3 admins
Checked Oct 25, 2026onlyoffice.com(opens source in a new tab)
Business price
$20 per admin/month (DocSpace)
Checked Oct 25, 2026onlyoffice.com(opens source in a new tab)
Integrations
Nextcloud, ownCloud, Seafile, SharePoint
Checked Oct 25, 2026onlyoffice.com(opens source in a new tab)

The best Microsoft 365 alternative for…

The highest-ranked app in this list for each need.

Best Microsoft 365 alternative for most people

Google Workspace

Browser-first suite with simpler real-time collaboration and business email included.

Best Microsoft 365 alternative for a free option

LibreOffice

Free, open-source desktop suite that opens and saves Office formats with no subscription.

Best Microsoft 365 alternative for a free plan you can upgrade

WPS Office

Free Office lookalike on every platform for people who mainly want familiar menus.

Best Microsoft 365 alternative for open source

ONLYOFFICE

Open-source suite with very close .docx/.xlsx compatibility and a self-hosted server option.

Best Microsoft 365 alternative for self-hosting

ONLYOFFICE

Open-source suite with very close .docx/.xlsx compatibility and a self-hosted server option.

Best Microsoft 365 alternative for Mac

Zoho Writer

Part of Zoho Workplace, a cheaper business suite with mail, docs and sheets.

Best Microsoft 365 alternative for Windows

SoftMaker Office

Paid desktop suite with strong Office compatibility and a one-time purchase option.

Best Microsoft 365 alternative for Linux

LibreOffice

Free, open-source desktop suite that opens and saves Office formats with no subscription.

Best Microsoft 365 alternative for iPhone and Android

Proton Docs

End-to-end encrypted documents and sheets for people leaving for privacy reasons.

Best Microsoft 365 alternative for working in the browser

Google Workspace

Browser-first suite with simpler real-time collaboration and business email included.

Microsoft 365 alternatives: common questions

What is the best alternative to Microsoft 365?

Google Workspace ranks first right now. Browser-first suite with simpler real-time collaboration and business email included. LibreOffice and ONLYOFFICE follow it in our ranking.

Is there a free alternative to Microsoft 365?

Yes. LibreOffice (open source), ONLYOFFICE (open source), WPS Office (free plan + paid) and Zoho Writer (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Microsoft 365?

Yes: LibreOffice and ONLYOFFICE. ONLYOFFICE can also be self-hosted.

Which Microsoft 365 alternatives work on Linux?

LibreOffice, ONLYOFFICE, WPS Office, Zoho Writer and SoftMaker Office run on Linux.

Why do people switch from Microsoft 365?

The complaints we hear most: subscription only for the current apps; costs add up over the years; bundled Copilot features raised prices for people who don't want AI; desktop apps feel heavy compared with web-first editors.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Microsoft 365, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.