A curated collection of the 6 best open source alternatives to Microsoft 365.
The best open source alternative to Microsoft 365 is CryptPad. If that does not suit you, we have compiled a ranked list of other open source Microsoft 365 alternatives to help you find a suitable replacement.
Microsoft 365 alternatives are mainly Collaboration & Communication. Browse these if you want a narrower list of alternatives or are looking for a specific functionality of Microsoft 365.
Open-source collaboration suite offering encrypted document editing, file sharing, and team workspaces with complete privacy protection.
Open-source collaboration suite offering encrypted document editing, file ...
Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.
Tuta offers encrypted email, calendar and contacts with quantum-resistant ...
Open-source online editor for documents, spreadsheets, presentations, and PDFs. Features real-time collaboration, AI integration, and accessibility to
Open-source online editor for documents, spreadsheets, presentations, and ...
A document management platform that helps you archive, organize, and search files with email ingestion, tagging capabilities, and powerful search func
A document management platform that helps you archive, organize, and searc...
Powerful online document editor with Microsoft Office compatibility. Integrate into your infrastructure or use trusted hosting partners for secure tea
Powerful online document editor with Microsoft Office compatibility. Integ...
Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.
Complete free office suite compatible with Microsoft formats (.doc, .docx,...
