Alternatives
The 3 Best ONLYOFFICE Alternatives in 2026
If ONLYOFFICE isn’t the right fit — because of pricing, platform support or the source model — these are the verified options we’d actually install.
What is ONLYOFFICE?
ONLYOFFICE Desktop Editors is a free, open-source office suite from Latvia-based Ascensio System SIA that bundles word processing, spreadsheets, presentations, and a capable PDF editor into a single application for Windows, macOS, and Linux. Its standout strength is fidelity to Microsoft's OOXML formats: DOCX, XLSX, and PPTX files open and save with formatting intact, making it one of the smoothest transitions away from Microsoft Office. Companion mobile apps for iOS and Android and web-based editors extend the suite beyond the desktop.
The shortlist
LibreOffice
Free open-source office suite
Choose LibreOffice if
You want a fully community-governed office suite with the longest open-source track record
Nextcloud
Self-hosted file sync and collaboration
Choose Nextcloud if
You want self-hosted file sync and collaboration built around your documents
Notion
All-in-one connected workspace
Choose Notion if
You want a connected cloud workspace for notes and docs rather than a classic office suite
Why look for a ONLYOFFICE alternative?
Most people weighing a switch are balancing one of three things: what it costs (free), how it’s built and licensed (AGPL-3.0), or where their data lives. None of these make ONLYOFFICE a bad choice — they’re trade-offs, and a different tool may simply balance them in a way that fits you better.
Platform coverage is the other common reason. ONLYOFFICE runs on Windows 7+ · macOS 10.10+ · Linux — if your devices fall outside that list, or you’d rather align on a different source model, the options above cover the same ground from a different angle. Each carries its own Trust Report, so switching doesn’t mean starting your research from zero.
Frequently asked questions
What is the best free ONLYOFFICE alternative?
LibreOffice is the strongest free option on this list (Free). You want a fully community-governed office suite with the longest open-source track record
Is ONLYOFFICE safe to use?
Yes. ONLYOFFICE passed 7/9 checks in our Trust Report, last reviewed Jul 17, 2026 — covering source verification, permissions, trackers and known risks. The full report is on its app page.
What should I consider when switching?
Export your data first, confirm the new app covers your platforms, and read its Trust Report. Run both apps side by side until you’re confident nothing was left behind.