
Who OpenCloud is for#
Organizations needing sovereign file storage
Use OpenCloud when file sharing and sync need to run on infrastructure controlled by the organization or jurisdiction.
Skip if:
You only need consumer-grade cloud storage with no server operations.
Platform teams integrating storage with identity
Use OpenCloud when file access must connect to OpenID Connect identity providers and internal policy.
Skip if:
Your team cannot operate a file service and identity integration stack.
The problem it solves#
File collaboration often starts with convenience and ends with platform lock-in. Documents, user identity, sharing links, and access policy become tied to a vendor account that may not fit sovereignty, public-sector, or regulated requirements.
Teams need modern file access and sharing without surrendering the storage layer. The hard part is combining identity, filesystem storage, web access, and collaboration semantics into a server that operators can run and audit.
How it solves it#
Self-hosted file backend
OpenCloud provides the server backend for file storage and sharing, giving operators a way to keep data on controlled infrastructure.
OpenID Connect authentication
The README documents authentication through OpenID Connect with external identity providers such as Keycloak or the embedded LibreGraph Connect provider.
Filesystem-based storage
The project README states that the backend stores data in the filesystem by default rather than relying on a separate database.
Strengths and trade-offs#
Strengths
- Apache-2.0 server codeOpenCloud publishes the server backend under Apache-2.0, which gives teams a permissive basis for review, modification, and deployment.
- Identity integration is built into the backend modelOpenID Connect support helps organizations connect file collaboration to existing identity policy instead of operating isolated local accounts.
Trade-offs
- -Backend-focused project surfaceThe main repository describes the server backend. Teams should review the wider OpenCloud ecosystem and docs before assuming every end-user collaboration feature is included in this repo.
What it's built on#
- Languages
- GoJavaScriptPHP
- Frameworks
- React
- Tooling
- Webpack
FAQ#
What is OpenCloud?
OpenCloud is a server backend for self-hosted file storage, sync, and collaboration workflows.
How does OpenCloud authenticate users?
The README documents OpenID Connect authentication through external providers such as Keycloak or the embedded LibreGraph Connect provider.
Does OpenCloud use a database?
The README states that the backend stores data in the filesystem by default and does not use a database for that storage layer.
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