the open source movement

Replace Dropbox.

9 open source alternatives, ranked by health. We re-check every project weekly, so you don’t migrate to something abandoned.

Ranked by health

  1. PuterWeb-based desktop environment with file storage and apps that runs in the browser and can be self-hosted.★ 44k AGPL-3.0 TypeScript self-host managed
  2. NextcloudSelf-hosted platform for file sync and sharing, with calendar, contacts, office and collaboration apps.★ 37k AGPL-3.0 PHP self-host managed
  3. CloudreveSelf-hosted file management and sharing system that supports multiple storage providers.★ 29k GPL-3.0 Go self-host
  4. SeafileFile syncing and sharing platform with libraries, versioning, custom file properties and flexible views.★ 15k GPL-2.0 (with OpenSSL exception) C self-host managed
  5. ownCloudFile sync and sharing server with WebDAV access, versioning and link sharing.★ 8.8k AGPL-3.0 PHP self-host
  6. SparkleShareShare and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows★ 5.0k GPL-3.0 C# self-host
  7. HFSHFS is a web file server for your computer. Share folders or even a single file thanks to the virtual file system.★ 3.9k GPL-3.0 TypeScript self-host
  8. OxiCloudSelf-hosted cloud storage written in Rust for files, photos, calendars and contacts.★ 3.6k MIT Rust self-host
  9. Sync-inSelf-hosted platform for file storage, sharing, synchronization and team collaboration.★ 1.8k AGPL-3.0 TypeScript self-host
How the ranking works

Health blends commit recency, release cadence, issue throughput, contributor breadth and star growth. Stars are shown but never ranked on. The full method.