Best Open-Source Cloud Storage & Sync | open-source.storeAll categoriesCloud Storage & Sync
Personal cloud file hosting and syncing
12 tools found 
LocalSend
LocalSend is an open-source alternative to Apple AirDrop that transfers files and clipboard text securely across local networks without cloud accounts.
Apache-2.0Cloud Storage & Sync

Syncthing
Syncthing replaces commercial cloud sync tools like Dropbox with private, decentralized peer-to-peer file synchronization across your own devices.
90.0kLinuxmacOSWindowstoday MPL-2.0Cloud Storage & Sync

Spacedrive
Spacedrive replaces cloud storage silos by unifying local disks, offline drives, and cloud accounts with local-first indexing and peer-to-peer sync.
39.4kLinuxmacOSWindows3d ago AGPL-3.0Cloud Storage & Sync

Nextcloud
Nextcloud is an open-source Dropbox and Google Drive alternative that pairs private cloud file sync with integrated office editing and calendar apps.
37.4kLinuxmacOSWindowstoday AGPL-3.0Cloud Storage & Sync

Seafile
Seafile is an open-source file sync and cloud storage system that replaces Dropbox with client-side encryption, virtual drives, and self-hosted control.
15.4kLinuxmacOSWindows18d ago GPL-2.0Cloud Storage & Sync

PairDrop
Open-source cross-platform alternative to Apple AirDrop. Share files directly peer-to-peer in any web browser without accounts, apps, or cloud uploads.
GPL-3.0Cloud Storage & Sync
Lint, codegen, breaking-change checks and dependency management in one Git-native CLI. Open source, no registry lock-in.
lintgeneratebreakingeasyp.lock

ownCloud
ownCloud is an open-source file sync and storage platform that replaces Google Drive and Dropbox, giving users private custody over multi-device files.
8.8kLinuxmacOSWindowstoday AGPL-3.0Cloud Storage & Sync

Pydio Cells
Pydio Cells replaces Box and Dropbox with a self-hosted file platform, giving teams full data privacy, shared workspaces, and direct storage control.
2.3kLinuxmacOSWindowstoday AGPL-3.0Cloud Storage & Sync

Hoodik
Hoodik is a self-hosted cloud storage alternative to Dropbox with client-side zero-knowledge encryption and post-quantum keys for private file sync.
Cloud Storage & Sync

Cozy Cloud
Cozy Cloud replaces Apple iCloud Drive and Dropbox with a self-hosted personal cloud that aggregates files, photos, and bills in one private space.
1.3kLinuxmacOSDockertoday AGPL-3.0Cloud Storage & Sync

Twake Drive
Twake Drive is an open-source web alternative to Google Drive, providing browser-based file storage, folder sharing, and complete data privacy.
AGPL-3.0Cloud Storage & Sync

Firefiles
Firefiles is an open-source web drive that connects directly to AWS S3 and Firebase, offering high-throughput file transfers without Dropbox subscriptions.
AGPL-3.0Cloud Storage & Sync
Windows
today
MPL-2.0Cloud Storage & Sync
Windows
today
AGPL-3.0Cloud Storage & Sync
Windows
3d ago
AGPL-3.0Cloud Storage & Sync