Self-hostable internet OS that provides a web desktop, cloud storage, and an app platform for files, web apps, and remote-work style workflows.

43.3k stars4k forksAGPL-3.0last commit Actively maintained
Seafile Cloud is a cloud-based file synchronization and sharing service for teams and enterprises, providing secure file storage, cross-device synchronization, file versioning, access controls, shared libraries, and administrative tools for collaboration and compliance.
Self-hostable internet OS that provides a web desktop, cloud storage, and an app platform for files, web apps, and remote-work style workflows.

43.3k stars4k forksAGPL-3.0last commit Actively maintained
Self-hosted file sync and share platform with libraries, sharing links, versioning, and optional end-to-end encrypted libraries for private team collaboration.

15.2k stars1.7k forkslast commit Actively maintained
Self-hosted Dropbox-like web file manager that connects to SFTP, S3, WebDAV, SMB/NFS, Git and more, with sharing links, plugins, and SSO integration.

14.6k stars1k forksAGPL-3.0last commit Actively maintained
Open-source platform for secure file sync, sharing, collaboration, calendars and external storage with WebDAV/CalDAV/CardDAV support.

8.8k stars2.1k forksAGPL-3.0last commit Actively maintained
OpenCloud is an open source platform for file management, secure sharing, sync, and team collaboration with modern authentication and access controls.

5.9k stars234 forksApache-2.0last commit Actively maintained
ownCloud Infinite Scale (oCIS) is a cloud-native file sync and share platform with WebDAV/CS3 APIs, OIDC authentication, and scalable microservice architecture.

2.1k stars268 forksApache-2.0last commit Actively maintained
Self-hosted platform to store, share, collaborate on, and synchronize files with WebDAV, desktop clients, and granular permissions.

1.7k stars132 forksAGPL-3.0last commit Actively maintained
Open-source, browser-based groupware providing calendar, email, file manager, CRM, projects, Collabora Online integration and SSO support.
295 stars113 forkslast commit Actively maintained
FileRun is a self-hosted private cloud storage platform for managing existing server files, syncing via WebDAV, and securely sharing and collaborating with users and teams.

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Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 8 of 9 shipped a commit in the last six months. Licences in this list: AGPL-3.0, Apache-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in File Transfer & Sharing.