sparq

6.6easy start · #19 of 26
in RDF Databases

Free to practise onnot on record
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on api, Linux, Mac, self-hosted, Windows.

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sparq is ranked #19 of 26 in RDF databases on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Windows.

Compared on RDF databases

Deployment options: self-hosted
SPARQL support: sparql 1.2
Reasoning support: Yes
RDF-star support: Yes
Federated queries: Yes
Supported RDF formats: Turtle, N-Triples, N-Quads, TriG, JSON-LD, RDF/XML

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The record

Product: sparq is an experimental, pre-1.0 RDF triplestore and SPARQL 1.1/1.2 engine written in Rust.
Interfaces: It can be used as a library, CLI, HTTP server, Python package, and JavaScript/WebAssembly build.
Queries and updates: The feature list includes SPARQL 1.1/1.2 queries and SPARQL 1.1 Update for inserting, deleting, and loading data.
RDF formats: It parses Turtle, N-Triples, N-Quads, and TriG, with optional gzip, bzip2, and zstd decompression.
Reasoning and validation: Optional capabilities include RDFS, OWL-RL, and N3 reasoning, plus SHACL graph validation.
Search: Optional capabilities include full-text search over RDF literals, GeoSPARQL spatial operations, and embedding-based vector and similarity search.
AI retrieval: The feature list describes schema introspection and grounded natural-language-to-SPARQL retrieval for LLM agents.
Deployment: The repository lists a Kubernetes Helm deployment interface and documents building the project from source.
Federation limit: SPARQL SERVICE federation is an opt-in Cargo feature that is off in the default build; when enabled, outbound access is denied by default and must be allowlisted per host.
Security status: The maker describes sparq as experimental and says its API is unstable and pre-1.0.
Security caveat: The security policy says the ZK and MPC capabilities are research scaffolds and must not be relied on for production security, privacy, or integrity guarantees.
Security reporting: The project requests private vulnerability reports through GitHub Security Advisories or email and targets acknowledgement within five business days and an initial assessment within ten business days.
Support: The maker says sparq is maintained on a best-effort basis by a small team and that response targets are not contractual service-level agreements.
License: The repository identifies the project license as MIT.

Where it ranks on The Geeks Club

Best RDF Databases in 2026#19 of 26

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Sources

github.com/sparq-org/sparq· checked 5 Oct 2026
github.com/sparq-org/sparq/blob/main/SECURITY.md· checked 5 Oct 2026