BrightstarDB

Spec sheet

Product

BrightstarDB is a native RDF database for the .NET platform.Read 7 Oct 2026 · brightstardb.com

Platforms

The official site lists Windows, Linux, OSX, Windows Phone, Android, and iOS; the portable library documentation lists .NET 4.5, Silverlight 5, Windows 8, Windows Phone 8.1, Android, iOS, and MonoTouch.Read 7 Oct 2026 · brightstardb.com

Deployment

It can run embedded in an application or as a server accessed through a RESTful HTTP API or .NET client API.Read 7 Oct 2026 · brightstardb.com

Security

The documentation describes security features as basic and customizable, and says service access controls are a work in progress.Read 7 Oct 2026 · brightstardb.readthedocs.io

Support

The official site says community support is available through the GitHub issue tracker and commercial support is available from NetworkedPlanet.Read 7 Oct 2026 · brightstardb.com

License

The project is licensed under MIT for commercial and non-commercial use.Read 7 Oct 2026 · brightstardb.com

Authentication

The documentation says authentication is handled by the host application; IIS Basic or Windows Authentication can protect an IIS-hosted service, while shared-secret authentication is described as not yet implemented on the server.Read 7 Oct 2026 · brightstardb.readthedocs.io

Concurrency

BrightstarDB uses a single-writer, concurrent-reader model, and reads are not blocked while writes occur.Read 7 Oct 2026 · brightstardb.readthedocs.io

Data model

It uses a schema-less RDF data model for storing and integrating data.Read 7 Oct 2026 · brightstardb.com

Developer APIs

Its ORM for RDF includes a LINQ provider that maps application domain model queries to SPARQL and supports CRUD and querying in strongly typed .NET applications.Read 7 Oct 2026 · brightstardb.com

Downloads

The official site says releases are available through NuGet and GitHub.Read 7 Oct 2026 · brightstardb.com

Embedded use

The site says its core libraries have a small footprint and install with zero configuration for embedded applications.Read 7 Oct 2026 · brightstardb.com

External stores

Its ORM, LINQ to SPARQL, and dynamic objects API can connect to any endpoint that implements SPARQL 1.1 standards.Read 7 Oct 2026 · brightstardb.com

LINQ and ORM

Its RDF ORM maps application domain model queries into SPARQL and provides CRUD and query capability for strongly typed .NET applications.Read 7 Oct 2026 · brightstardb.com

Open source license

BrightstarDB is licensed under MIT for commercial and non-commercial use.Read 7 Oct 2026 · brightstardb.com

Other endpoints

Its ORM, LINQ to SPARQL, and .NET dynamic objects API can connect to SPARQL endpoints implementing SPARQL 1.1 standards.Read 7 Oct 2026 · brightstardb.com

Queries

It implements the SPARQL query language, update language, and protocol.Read 7 Oct 2026 · brightstardb.com

SPARQL

It implements the SPARQL query language, update language, and protocol.Read 7 Oct 2026 · brightstardb.com

Storage behavior

The append-only store supports querying or reverting to earlier transaction points, while periodic coalescing can manage file growth by removing previous transaction points.Read 7 Oct 2026 · brightstardb.readthedocs.io

Where Specifiction places it

• RDF Databases#13 of 267.7