# Open-source office suites

6 open-source office suites rated against public privacy criteria.

1. [Calligra](https://privacyratings.com/office-suites/calligra/): B (80/100). Office and graphics suite from KDE with Words, Sheets, Stage, Karbon and other apps, using OpenDocument as its native file format.
2. [Etherpad](https://privacyratings.com/office-suites/etherpad/): B (80/100). Self-hosted, real-time collaborative text editor where several people edit the same document at once, with a plugin system and an HTTP API.
3. [Sandstorm](https://privacyratings.com/office-suites/sandstorm/): B (80/100). Open source platform for self-hosting web apps. Apps are installed from the Sandstorm App Market with a few clicks, and each document or chat runs in its own isolated sandbox.
4. [Collabora Online](https://privacyratings.com/office-suites/collabora-online/): C (65/100). Online office suite based on LibreOffice for documents, spreadsheets and presentations, with real-time collaborative editing. It is self-hosted or used through integrations such as Nextcloud.
5. [LibreOffice](https://privacyratings.com/office-suites/libreoffice/): C (65/100). Office suite from The Document Foundation with Writer, Calc, Impress, Draw, Base and Math, using OpenDocument as its native file format.
6. [CryptPad](https://privacyratings.com/office-suites/cryptpad/): D (56/100). End-to-end encrypted collaboration suite with rich text, spreadsheets, presentations, Markdown, Kanban, forms, diagrams and a file drive. Use the hosted CryptPad.fr service or self-host it.

Source: https://privacyratings.com/open-source/office-suites/