8 open source alternatives to Dropbox: Nextcloud and Seafile

Side by side

8 open source alternatives to Dropbox
Tool	Fit	Stars	Licence	Terms	Self-hosted	Language	Latest	Last push
Nextcloud	Full replacement	37k	AGPL-3.0	Open source	Yes	PHP	v35.0.1	2026-10-06
Seafile	Full replacement	15k	Other	Open source	Yes	C	v9.0.5	2026-09-18
ownCloud Server	Full replacement	8.8k	AGPL-3.0	Open source	Yes	PHP	v10.16.6	2026-10-06
ownCloud Infinite Scale	Full replacement	2.1k	Apache-2.0	Open source	Yes	Go	v8.2.1	2026-10-06
Syncthing	Partial	89k	MPL-2.0	Open source	Yes	Go	v2.1.6	2026-10-06
Cloudreve	Partial	29k	GPL-3.0	Open source	Yes	Go	4.19.1	2026-09-21
Unison	Partial	5.5k	GPL-3.0	Open source	Yes	OCaml	v2.54.0	2026-09-20
Pydio Cells	Partial	2.3k	AGPL-3.0	Open source	Yes	Go	v5.1.0	2026-10-06

8 alternatives

☁️ Nextcloud server, a safe home for all your data

File sync with desktop and mobile clients, sharing links and versioning, self-hosted.

Beyond file syncing and sharing, a new way to organize your files with extensible file properties and flexible views

Libraries synced by desktop and mobile clients, with versioning and sharing, self-hosted.

:cloud: ownCloud web server core (Files, DAV, etc.)

Self-hosted file storage with desktop and mobile sync clients and share links.

:atom_symbol: ownCloud Infinite Scale

File sync and sharing through desktop and mobile clients.

Open Source Continuous File Synchronization

Syncs folders directly between your own devices, with no server and no web access to the files.

🌩 Self-hosted file management and sharing system, supports multiple storage providers

Web file manager with share links, WebDAV and a desktop sync client, over local or S3-compatible storage.

Unison file synchronizer

Two-way sync between two machines over SSH with conflict detection, with no server or web access.

Future-proof content collaboration platform

Self-hosted file storage with sync clients and share links.