sparq

Windows · Mac · Linux · Self-hosted · API

Visit site Alternatives

Freedom report

Two barsScore 5.6

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

sparq is ranked #18 of 26 in RDF databases on Freedom251. 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

Best sparq alternatives

See all 20

Two bars Eclipse RDF4J Free tier No. 1Free6.6 Two bars Fluree DB Free tier No. 2Free6.6 Two bars GraphDB Free tier No. 3Free6.6 Two bars QLever Free tier No. 4Free6.6 Two bars RDFox Free tier No. 5Free6.6 Two bars Stardog Free tier No. 6Free6.6

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 Freedom251

Best RDF Databases in 2026#18 of 26

Is sparq yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote sparq

Sources

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