# 1 Best Open-Source Alternatives to Microsoft Office in 2026

By Noah — last updated & pricing verified September 15, 2026.

> 1 of the 4 Microsoft Office alternatives we list qualify for this filter. The [full list](https://findalternative.to/microsoft-office) is the canonical page.

| Alternative | Best for | Price | Details |
| --- | --- | --- | --- |
| LibreOffice | individuals, schools, and organizations that want a full office suite without a subscription and can work without native real-time cloud co-authoring | Free | https://findalternative.to/libreoffice/about |

All 4 alternatives to Microsoft Office: https://findalternative.to/microsoft-office

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Markdown mirror of https://findalternative.to/microsoft-office/open-source — findalternative.to, honestly ranked software alternatives. AI info: https://findalternative.to/ai