ONLYOFFICE
Verified Latvia
Office suite with strong Microsoft format compatibility, for cloud or self-hosting.
Operating company is Latvian. The holding company sits in Singapore, which is stated here rather than hidden.
Office suites
10 listings, 9 verified and 1 marked Unverified. Every card opens a detail page with the ownership structure and hosting.
Verified 9 ยท Unverified 1
Nextcloud Office
Verified Germany
Document editing inside Nextcloud, based on Collabora Online technology.
Collabora Online
Verified United Kingdom
LibreOffice-based online office for self-hosted deployments.
LibreOffice
Verified Germany
Full desktop office suite, free and open source, stewarded by a German foundation.
CryptPad
Verified France
End-to-end encrypted pads, docs and sheets where the server cannot read content.
Infomaniak kSuite
Verified Switzerland
Mail, drive, docs and meetings in one Swiss-hosted suite.
Proton Docs
Verified Switzerland
Encrypted collaborative documents inside Proton Drive.
SoftMaker Office
Verified Germany
Commercial desktop office suite with close Microsoft format fidelity.
Calligra
Verified Germany (KDE e.V.)
KDE office and creativity suite for Linux desktops.
Euro-Office
Unverified Unverified
Community fork of ONLYOFFICE code started by EU-based companies in 2026.
Young fork. Governance and release process not yet verified.