De-Microsoft your life

A curated collection of open source alternatives to Microsoft software. Replace Microsoft 365, Azure, SharePoint, OneNote, and Authenticator with privacy-focused, self-hostable alternatives.

2FA Authentication

Ente

🔒 End-to-end encrypted cloud for photos, videos and 2FA secrets.

Alternative to:

Microsoft Authenticator

Open Authenticator

Free, open-source cross-platform TOTP authenticator with self-hostable sync backend, built with Flutter.

Alternative to:

Microsoft Authenticator

Cloud Storage

OpenCloud

Open source platform for file management, sharing, and collaboration — simple and self-hostable.

Alternative to:

Microsoft SharePoint

Note Taking & Knowledge Management Tools

NoteDiscovery

A self-hosted knowledge base for note-taking with markdown support, Zettelkasten methodology, and Docker deployment.

Alternative to:

Microsoft OneNote

Personal Cloud

Olares

Olares: An Open-Source Personal Cloud to Reclaim Your Data

Alternative to:

Microsoft Azure

OpenCloud

Open source platform for file management, sharing, and collaboration — simple and self-hostable.

Alternative to:

Microsoft SharePoint

Productivity & Utilities

LibreOffice

A powerful free and open source office suite with word processing, spreadsheets, presentations, and more.

Alternative to:

Microsoft 365