Best Free Microsoft Office Alternatives in 2026
ONLYOFFICE is the best free Microsoft Office alternative for most people; LibreOffice is the best fully open-source suite, and Google Docs is best for working together online.
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Independent research, comparisons and reviews of AI tools, developer tools and productivity software, so you can pick the right tool faster.

Reviews and comparisons of AI writing, image, video and chat assistants: what they are actually good at, and what they cost.
6 articles
IDEs, AI coding assistants, hosting, databases and DevOps tools, compared on features, limits and price.
3 articles
Note-taking, project management, automation and focus apps that genuinely save you time.
3 articles
ONLYOFFICE is the best free Microsoft Office alternative for most people; LibreOffice is the best fully open-source suite, and Google Docs is best for working together online.

Most obligations for everyday AI users are about transparency and staff training; the heavy high-risk rules now start in December 2027.

ChatGPT is still the more capable all-rounder, but Mistral Vibe is cheaper, ad-free and keeps your data in the EU by default.

Proton is the easiest all-in-one switch from Google; Nextcloud with Euro-Office is the best full replacement for Microsoft 365 in organisations.

You can’t switch ads off completely on Go, but Free users can trade messages for an ad-free plan and everyone can turn off ad personalization.

Premium ($30) is the plan most developers need; Plus ($8) only makes sense if you are happy using Grok models.

Argon is Google’s strongest model yet and the new Tasks mode is genuinely useful, but you need Google AI Pro or Ultra to use it.

Free users are left with Gemini 3.8 Flash only; Google AI Pro ($19.99) is now the cheapest way to keep Claude in Antigravity.

GPT-6 makes ChatGPT answers more visual and interactive on every plan; Plus remains the sweet spot for most people.
No vendor pays for a verdict. Affiliate links never change my recommendations.
Every article lists its sources. Articles marked “Hands-on tested” include my own testing and screenshots.
I revisit articles when pricing or features change.