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An open-source Microsoft Office alternative combining offline document, spreadsheet, presentation and PDF editing in one desktop app.
Before you start
- Platform
- Windows / macOS / Linux
- How to start
- Download
Based on public documentation; full builds and playthroughs have not been tested. Project documentation 
What it recreates
It covers everyday Word, Excel and PowerPoint workflows, with PDF editing and forms, without requiring Microsoft Office.
What’s different
It emphasizes Office Open XML formats such as DOCX, XLSX and PPTX, bringing several editors into one desktop shell. Supported cloud connections add collaboration.
What you can use today
Installers are available for Windows, macOS and Linux, with local storage and offline editing. Desktop use is free; cloud services and enterprise editions have separate plans. Check complex document layouts before switching.
Sources & notesSources checked:
Official documentation describes the workflow, access and license. Listed as an independent functional alternative, without implying an original-vendor relationship.
Sources checked: 2026-10-12 · Based on public documentation; full builds and playthroughs have not been tested.
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