Tech riderRev. 5 Oct 2026
- 1Runs onAPI, Linux, Mac, self-hosted, Web, Windows
- 2CostsFree plan
- 3Deployment optionsself-hosted
- 4SPARQL supportsparql 1.1
- 5Federated queriesYes
- 6Supported RDF formatsTurtle (TTL), N-Triples (NT), N-Quads (NQ)
6 lines stated Written from the maker's own pages: qlever.dev, github.com
Overview
QLever is ranked #31 of 33 in knowledge graph software on Specifiction. It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.
QLever plans and pricing
All plansCompared on knowledge graph software
- Deployment options
- self-hostedqlever.dev
- SPARQL support
- sparql 1.1qlever.dev
- Federated queries
- Yesqlever.dev
- Supported RDF formats
- Turtle (TTL), N-Triples (NT), N-Quads (NQ)qlever.dev
Facts
- What it does
- QLever is a graph database implementing RDF and SPARQL for loading and querying large datasets.github.com · 5 Oct 2026
- Scale
- The project says QLever scales to more than a trillion triples on a single commodity machine.github.com · 5 Oct 2026
- Text search
- QLever includes text search over knowledge bases.github.com · 5 Oct 2026
- Query assistance
- QLever provides context-sensitive autocompletion for SPARQL queries and live query analysis.github.com · 5 Oct 2026
- Spatial features
- QLever supports efficient spatial queries and interactive map visualization of large numbers of geometric objects.github.com · 5 Oct 2026
- Embedded use
- QLever can run as an embedded database inside C++ code without a client-server setup.github.com · 5 Oct 2026
- Dataset examples
- The project lists demos for Wikidata, Wikimedia Commons, OpenStreetMap, UniProt, PubChem, and DBLP.github.com · 5 Oct 2026
- Installation
- Official packages are available for Debian, Ubuntu, Ubuntu-derived distributions, and macOS; Docker and Podman images are also available.docs.qlever.dev · 5 Oct 2026
- macOS limit
- The official Homebrew package supports ARM64 Apple Silicon Macs; Intel Macs are not supported by that package.docs.qlever.dev · 5 Oct 2026
- Windows limit
- The documentation says Windows use runs Docker inside a virtual machine and may incur significant performance and RAM costs; binary releases are in progress.docs.qlever.dev · 5 Oct 2026
- Integrations
- The QLever UI exposes backend API URLs and offers query access via GET and POST examples using curl.qlever.dev · 5 Oct 2026
- Support
- For bugs or missing features, the project asks users to search existing GitHub issues or open an issue or discussion.github.com · 5 Oct 2026
- Security and compliance
- The opened maker pages identify the Apache 2.0 license but do not state a security certification or compliance program.github.com · 5 Oct 2026
Company
- Headquarters
- Freiburg, Germanyqlever.dev · 28 Sept 2026
Best QLever alternatives
See all 20 All accessCh 01 RDFox Free planFree trialAPI Free to start7.9 All accessCh 02 AllegroGraph Free planAPILinux Free to start7.5 All accessCh 03 GraphDB Free planAPILinux Free to start7.5 All accessCh 04 RDF Studio Free planAPILinux Free to start7.5 All accessCh 05 Stardog Free planAPILinux Free to start7.4 All accessCh 06 TypeDB Free planAPILinux from $0.07/mo7.4
Where it ranks on Specifiction
- Best Knowledge Graph Software in 2026#31 of 33
- Best RDF Databases in 2026#15 of 26
Is QLever yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.
Sources
- github.com/ad-freiburg/qlever· checked 5 Oct 2026
- docs.qlever.dev/quickstart/· checked 5 Oct 2026
- docs.qlever.dev/faq/· checked 5 Oct 2026
- qlever.dev/wikidata· checked 5 Oct 2026
- qlever.dev· checked 28 Sept 2026