nextcloud/server

Nextcloud

Files, calendar, contacts and office in one self-hosted cloud.

Open sourceActiveAn afternoon

“☁️ Nextcloud server, a safe home for all your data” — from the project

The license, in plain English

License: AGPL 3.0 · OSI-approved
Use it at work?: Yes, internally and for services.
Share your changes?: If you modify it and let others use it over a network, you must publish your changes.

Our reading, not legal advice — the repository’s LICENSE file is the source of truth.

Mail, files, docs and calendar you own

High-performance file sync and share.

Continuous peer-to-peer file sync — no server at all.

A web file manager for any directory.

An all-in-one mail and collaboration server (JMAP, IMAP, SMTP).

Collaborative documents, spreadsheets and slides with strong Office compatibility.

rsync for cloud storage — 70+ providers.