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qEndpoint
What it is
qEndpoint is a free, open-source RDF triple store for hosting and querying linked data. It can operate as a standalone SPARQL endpoint or serve as a dependency in another application. The project includes a graphical interface for writing and running SPARQL queries and a RESTful HTTP API for HTTP queries, with SPARQL 1.1 support. Datasets can be uploaded in RDF4J-supported formats, including RDF/XML, Turtle, N-Triples, N-Quads, JSON-LD, TriG, and TriX. Query results can use JSON, XML, or Binary RDF. Docker images are available for qEndpoint and for a Wikidata index supporting wikidata_truthy and wikidata_all datasets. The Docker setup defaults to 6G memory; large datasets are discouraged below 4G, while Wikidata-all needs at least 10G. Installation options include Scoop, Homebrew, and a CLI ZIP release. It is licensed under GNU GPL v3.
For and against
For
- Free and open-source under GNU GPL v3
- Supports full-text search and GeoSPARQL
- GUI and REST API for SPARQL queries
- Docker images include a Wikidata index
- Supports several RDF upload formats
Against
- Self-hosted deployment requires infrastructure
- Large datasets need substantial memory
- Wikidata-all requires at least 10G memory
- Security is provided without warranty
The verdict
qEndpoint combines RDF storage, SPARQL querying, full-text search, and GeoSPARQL in a self-hosted package. Its Docker and installation options support varied setups, but memory requirements matter for larger datasets.
Who it suits
qEndpoint suits developers and data teams managing RDF datasets, SPARQL queries, or GeoSPARQL workloads in self-hosted environments. It also fits projects integrating with Wikibase or using the listed RDF formats.
On the record
- Compatibility
- The project lists Spring, RDF-HDT, and RDF4J under “Built With.”github.com · read 4 Oct 2026
- Data formats
- The README says datasets can be uploaded in formats supported by RDF4J and lists JSON, XML, and Binary RDF result formats.github.com · read 4 Oct 2026
- Data loading
- Datasets can be uploaded to a running endpoint, and the README says it supports formats used by RDF4J.github.com · read 8 Oct 2026
- Deployment
- The project provides preconfigured Docker images for qEndpoint and qEndpoint with Wikidata data.github.com · read 8 Oct 2026
- Features
- The project describes support for full-text search and GeoSPARQL.github.com · read 8 Oct 2026
- Installation
- The README documents installation through Scoop and Homebrew and offers the CLI as a ZIP release asset.github.com · read 4 Oct 2026
- Integrations
- The project lists Spring, RDF-HDT, and RDF4J under “Built With.”github.com · read 8 Oct 2026
- Interfaces
- It provides a GUI for writing and executing SPARQL queries and a RESTful API for HTTP queries.github.com · read 8 Oct 2026
- License
- The project is licensed under GNU General Public License v3 with a notice.github.com · read 8 Oct 2026
- Memory requirements
- The Docker README sets MEM_SIZE to 6G by default, advises against less than 4G for large datasets, and says Wikidata-all needs at least 10G.github.com · read 4 Oct 2026
- Product
- qEndpoint is a highly scalable RDF triple store with full-text and GeoSPARQL support.github.com · read 4 Oct 2026
- Purpose
- qEndpoint is a highly scalable RDF triple store with full-text and GeoSPARQL support.github.com · read 8 Oct 2026
- Query interface
- The project provides a GUI for writing and executing SPARQL queries and a RESTful HTTP API for queries.github.com · read 4 Oct 2026
- Release
- The releases page lists version 2.5.4 as the latest release shown.github.com · read 4 Oct 2026
- Requirements
- The backend and benchmark prerequisites listed are Java 17 and Maven.github.com · read 8 Oct 2026
- Security
- The project says it follows security practices but that 100% security cannot be assured, and is provided as is without warranty.github.com · read 8 Oct 2026
- Support
- The README directs users to GitHub issues, the maintainer’s profile contact options, or The QA Company website for support.github.com · read 8 Oct 2026
- Use
- It can run as a standalone SPARQL endpoint or be used as a dependency.github.com · read 8 Oct 2026
