Tentris

7.9easy start · #2 of 26
in RDF Databases

Free to practise onyes
Free trialyes
Well documentedyes
Runs where you workyes

Runs on Linux, Mac, self-hosted, Web.

Tentris is ranked #2 of 26 in RDF databases on The Geeks Club. It runs on Linux, macOS, Self-hosted, Web. There is a free plan. A free trial is offered.

Tentris plans and pricing

All plans

Community Free Single-core license · In-memory storage · Community support · SPARQL 1.1 and RDF 1.1 support · Transactions tentris.io · 3 Oct 2026

Commercial Not published Annual Licensed per CPU core, starting at 12 cores · Persistent storage · ACID transactions · Optional commercial SLA · 60-day trial license tentris.io · 3 Oct 2026

Cloud Not published Pay per Use Coming soon · Azure, AWS and Google Cloud · Daily backups · Configurable retention · On-demand scaling · SLA agreement tentris.io · 3 Oct 2026

Compared on RDF databases

Free plan: Yes
Deployment options: self-hosted
SPARQL support: sparql 1.1
Reasoning support: No
Federated queries: Yes
Supported RDF formats: N-Triples, Turtle, N-Quads, TriG, RDF/XML

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The record

Product: Tentris stores and queries RDF knowledge graphs and supports SPARQL 1.1.
Indexing: It stores RDF graphs in a single compressed Hypertrie index designed to reduce memory use.
Query execution: Tentris uses adaptive query planning and worst-case optimal joins, streams results, and avoids materializing intermediate results.
Standards: The site describes Tentris as RDF 1.1 and SPARQL 1.1 compliant, with no need to change an existing RDF data model to switch.
AI use: Tentris is presented as a knowledge layer for GraphRAG, AI agents, and semantic applications, with deterministic retrieval over connected knowledge.
Benchmarks: Tentris says its published benchmark figures link to reproducible datasets, queries, hardware, and methods.
Install options: The site lists Linux, macOS, Docker, and Python installation options and x86-64 and ARM AARCH64 platforms.
Cloud providers: The planned cloud offering is listed for Azure, AWS, and Google Cloud and is marked coming soon.
Audience: The free Community plan is described for developers, students, and researchers; the Commercial plan is described for data sovereignty and strict compliance.
Company: Tentris says the database grew from more than a decade of research at Paderborn University and lists Germany as where it builds the product.
Free license limits: The EULA defines the non-commercial version for private, academic, educational, scientific, evaluation, or research use and excludes production and revenue-generating use.
Data handling: The EULA says the downloadable software runs within the licensee’s infrastructure and Tentris does not host, receive, or otherwise access its content.
Support: The Community plan includes community support; the EULA states Tentris provides no support or maintenance for the non-commercial software.
Headquarters: Bielefeld, Germany
Price from: Free

Where it ranks on The Geeks Club

Best RDF Databases in 2026#2 of 26

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Sources

tentris.io· checked 3 Oct 2026
tentris.io/about· checked 3 Oct 2026
tentris.io/eula· checked 3 Oct 2026