Dydra
Dydra: A cloud RDF store with SPARQL, federation, browser tools, and a free basic plan. Ranked #19 of 26 in RDF Databases by our editors (7.3/10); pricing: Free plan; best for cloud-hosted RDF repositories with federation.
At a glance
- Editor score7.3 / 10
- PricingFree plan
- Best forCloud-hosted RDF repositories with federation
- Free planYes
- Deployment optionsCloud
- Facts checked21 Sep 2026
Where it wins
- SPARQL 1.1 query and update support
- Federated queries across local and remote repositories
- Browser management plus REST and RDF import/export
Where it doesn't
- Cloud deployment only
- Command-line access is centered on Ruby
- No AI features
Our verdict on Dydra
Dydra is a cloud-based RDF graph database and repository for developers and businesses working with highly connected data. It stores RDF graph data and provides SPARQL 1.1 query and update support, REST and SPARQL APIs, browser-based repository management, and Ruby command-line access. Teams can import RDF from web URLs or local files and export RDF over HTTP, making Dydra suited to applications that need a managed repository rather than a self-hosted deployment.
Federation is a central strength. Dydra supports queries across local and remote repositories, with authorization controls for federation requests, and it provides entailment rulesets for query processing. The service supports RDFa, RDF/JSON, N-Quads, N-Triples, RDF/XML, TriG, and Turtle. Its web and API access fit teams that want browser-based administration alongside programmatic workflows. Ruby is the named integration point through the command-line client, so Ruby-oriented teams have a direct tool in the product’s ecosystem.
Basic use is free, while production licensing and services are tailored to customer requirements. Dydra is a focused choice for teams that need cloud-hosted RDF storage, SPARQL 1.1, federation, and reasoning support in one service. It is less suitable for organizations that require self-managed deployment, a broader named integration ecosystem, or AI capabilities. Buyers should also distinguish the free basic offering from production use, where licensing and services follow customer requirements rather than a standard public tier structure.
Your product? Our editors can test Dydra in depth and publish a review, labelled as paid · from $149/mo →
Dydra pricing
Dydra fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Deployment options | Cloud |
| SPARQL support | Sparql 1.1 |
| Reasoning support | Yes |
| RDF-star support | Not verified |
| Federated queries | Yes |
| Supported RDF formats | RDFa, RDF/JSON, N-Quads, N-Triples, RDF/XML, TriG, Turtle |
| Deployment | Cloud |
| Platforms | Web |
| Support | Email, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 1 integrations: Ruby |
| Pricing | Free plan |
| Website | dydra.com |
| Facts checked | 21 Sep 2026 |
Dydra integrations
Dydra lists 1 integrations on its own site.
- Ruby
Alternatives to Dydra
- GraphDBA broad RDF platform with a free edition and enterprise-grade deployment options.9.3
- AllegroGraphA broad RDF platform for reasoning, federation, analytics, and vector-enabled knowledge graphs.9.1
- StardogA broad enterprise platform for federated queries, virtual graphs, and semantic reasoning.9.0
Also Ranked In
Dydra is ranked in 2 of our directories.
Used Dydra? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Dydra for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Dydra is listed in our RDF Databases directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/dydra/"><img src="https://www.itechguides.com/best/badge/dydra.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update