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ONLYOFFICE Desktop Editors vs Calligra Suite: catalog facts
ONLYOFFICE Desktop Editors	Calligra Suite
Free The desktop editors are free and open source under AGPL v3. The company also sells hosted…	Free Free and open source, developed by KDE.
Windows, macOS, Linux	Linux
High compatibility with DOCX, XLSX and PPTX, the formats most people are sent Text, spreadsheet, presentation, form and PDF editors in one tabbed window	Word processor, spreadsheet and presentation apps in one suite Includes Karbon for vector drawing and KEXI for databases
Fewer advanced features than LibreOffice in areas such as databases and drawing The interface pushes the company’s cloud and enterprise products	Smaller user base than LibreOffice Aimed mainly at KDE and Linux desktops
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.