alternative · microsoft 365

Open Source Microsoft 365 Alternatives

Practical open source collaboration suites that can replace Microsoft 365 — self-hosted files, online office documents, calendar, contacts, mail, and video calls on your own servers.

Tools that replace Microsoft 365

3 tools

// open source tools you can use instead

collaborative-editing

CryptPad_

Encrypted office suite — a private Google Docs alternative.

Nextcloud_

Self-hosted files, office, and collaboration — a Dropbox alternative.

ONLYOFFICE Docs_

Self-hosted office suite — a Microsoft 365 alternative.