Alternatives
Open Source Alternatives to Microsoft 365
A cloud-based suite of business applications from Microsoft that includes Office 365, SharePoint, Exchange, and Teams.
Open Source Alternatives to Microsoft 365
Use the same directory search, ordering, and pagination controls inside this collection.
5 of 5 tools
CryptPad
AGPL-3.0
Open-source collaboration suite offering encrypted document editing, file sharing, and team workspaces with complete privacy protection.
LibreOffice
GPL-3.0
Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.
ONLYOFFICE Docs
AGPL-3.0
Open-source online editor for documents, spreadsheets, presentations, and PDFs. Features real-time collaboration, AI integration, and accessibility tools.
Papra
AGPL-3.0
A document management platform that helps you archive, organize, and search files with email ingestion, tagging capabilities, and powerful search functionality.
Tuta
GPL-3.0
Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.