Free, open-source alternatives to Box
Cloud storage and file sharing for companies. 5 apps you can run yourself instead of Box, sorted by how well they replace it. Each one is open source, so your data stays with you.
NextcloudBest match
Access and share your files, calendars, contacts, mail and more from any device, on your terms.
Seafile
File hosting and sharing solution primary for teams and organizations.
ownCloud
All-in-one solution for saving, synchronizing, viewing, editing and sharing files, calendars, address books and more.
Pydio
Turn any web server into a powerful file management system and an alternative to mainstream cloud storage providers.
Side by side
Why replace Box?
Box works, but your data lives in someone else's account, the price can change at any time, and features can disappear. An open-source app you run yourself is yours: you choose where it runs, who can see the data, and when to update.
Questions
What is the best free alternative to Box?
Nextcloud is the closest open-source replacement for Box in our list. Seafile and OpenCloud are worth a look too, depending on what you need.
Can I self-host an alternative to Box?
Yes. All 5 apps on this page are open source and can run on your own server, usually with Docker, or on a managed host that installs them for you.