Comparison
OnlyOffice is a full open-source office suite — documents, spreadsheets, presentations — delivered as a self-hosted server or cloud service. It covers all word-processor features but embeds as a heavy iframe, not a native React component.
In short
A whole office suite in an iframe vs. a React component you own.
OnlyOffice genuinely covers every word-processor feature and you can self-host it. The price is the integration model: a fixed UI inside an iframe, no component-level API, and spreadsheets and presentations coming along whether you wanted them or not.
If you need an office suite, take OnlyOffice. If you need an editor inside your product, wearing your UI, take ours.
OnlyOffice is a comprehensive, self-hostable alternative to Google Workspace or Microsoft 365. Its document editor is mature and feature-complete — pagination, headers/footers, track changes, and strong DOCX compatibility are all there. It integrates into web apps via a JavaScript SDK that renders an iframe. That model makes it a good fit for enterprise portals needing a full office suite but a poor fit for teams that want a React-native editor they can customize, theme, or extend at the component level.
Best suited for
OnlyOffice embeds as an iframe via a JavaScript SDK — no React API.
OnlyOffice's editing engine is closed; customization is limited to surface-level config.
OnlyOffice uses a proprietary rendering engine.
OnlyOffice is a full suite; Stesura is a document editor only.
Choose OnlyOffice when
Choose Stesura when
This comparison is based on publicly available information and reflects our honest understanding of OnlyOffice. If something is out of date or inaccurate, we'd genuinely like to fix it — email us at info@innovars.eu.