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Sync-in

Sync-in/server

Self-hosted platform for file storage, sync, sharing, and team collaboration, with WebDAV and online document editing.

Open-source alternative to:DropboxGoogle DriveMicrosoft OneDrive

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Last commit
4 days ago

What is it?

Sync-in is a self-hosted platform for storing, synchronizing, and sharing files, with added collaboration features for teams. It is meant to run on your own servers or in a private cloud, so files stay readable on your filesystem and data remains under your control.

The web interface supports drag and drop, gallery view, and file previews. Access control covers spaces, shares, guests, groups, roles, and fine-grained permissions, with authentication via local accounts, OIDC, LDAP, and MFA. Public links can be protected with passwords, expiration dates, and access limits.

For collaboration, it integrates Collabora Online, OnlyOffice, Euro-Office, and draw.io for online editing, and includes comments, notifications, file locking, and activity tracking. Clients for Windows, macOS, and Linux are available through a separate desktop and CLI project, and WebDAV allows access from file explorers and third-party apps.

Key features

  • 01Web interface with drag and drop, gallery view, and file previews
  • 02Login via local accounts, OIDC, LDAP, and MFA
  • 03Spaces, shares, guests, and fine-grained permissions
  • 04Password-protected public links with expiration and access limits
  • 05Online document editing with Collabora, OnlyOffice, and draw.io
  • 06WebDAV access for file explorers and third-party clients

Use cases

  • Running a private file sharing and sync service for a small team
  • Replacing a commercial cloud drive with an on-premise deployment
  • Sharing files with external guests through protected links
  • Accessing self-hosted files from network drives or mobile WebDAV apps

Topics

#self-hosted#file-sync#file-sharing#webdav#collaboration#file-storage#nextcloud-alternative#cloud-alternative#collaborative-editing#dropbox

FAQ

What is server?
Self-hosted platform for file storage, sync, sharing, and team collaboration, with WebDAV and online document editing. Sync-in is a self-hosted platform for storing, synchronizing, and sharing files, with added collaboration features for teams. It is meant to run on your own servers or in a private cloud, so files stay readable on your filesystem and data remains under your control.
Is server free to use? What license does it have?
server is open source under the AGPL-3.0 license. Check the license terms before using it in commercial products.
Is server still maintained?
Actively maintained. The last commit to server was on Oct 14, 2026.
What can I use server for?
Running a private file sharing and sync service for a small team Replacing a commercial cloud drive with an on-premise deployment Sharing files with external guests through protected links Accessing self-hosted files from network drives or mobile WebDAV apps
Where can I get server?
The source code and installation instructions are on GitHub: https://github.com/Sync-in/server

Summary generated by AI from the project's README. GitHub stats refresh daily.

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