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RedStore

RedStore is a free, self-hosted RDF triplestore written in C with the Redland library.

Place
#9 of 26
Score
6.5
RedStore's website

What RedStore is

RedStore is a free, self-hosted RDF triplestore written in C with the Redland library. It provides an HTTP interface and built-in server for RDF data, with support for SPARQL 1.0 Query and SPARQL 1.1 protocol, graph-store, and service-description standards. The project describes support for a wide range of RDF formats, including Turtle. Storage can use Redland modules for hashes, MySQL, memory, PostgreSQL, SQLite, or Virtuoso, with hashes as the default; a module must support contexts. Data can be loaded from a URI at startup or sent as RDF files using HTTP PUT. The /sparql endpoint can be queried with the SPARQL Query Tool, and the rdfproc command-line utility supports offline operations. Installation uses the standard automake sequence of configure, make, and make install. Redland is the only runtime dependency identified by the project, with minimum versions listed for raptor2, rasqal, and redland. The software is distributed under GPL version 3 or later. Listed platforms include Linux, macOS, API use, and self-hosted deployment; a Mac OS X app is also available.

Good

  • Free software under GPL version 3 or later.
  • Includes a built-in HTTP server.
  • Supports SPARQL 1.1 protocols and graph-store operations.
  • Offers several Redland storage modules.
  • Supports offline operations with rdfproc.

Watch out

  • Requires Redland and listed minimum library versions.
  • Installation uses an automake build process.
  • Storage modules must support contexts.

Who it suits

RedStore may suit developers or teams seeking a self-hosted RDF store with an HTTP interface and SPARQL support. Its storage modules and offline command-line compatibility may fit workflows built around Redland.

Verdict

RedStore offers self-hosted RDF storage with HTTP access, SPARQL standards, and multiple storage choices. Consider its dependency versions and build process when deciding whether it fits your environment.

Plans and prices

From RedStore's own pricing page, checked 8 Oct 2026.

All about pricing
PlanPriceWhat it gives you
RedStoreFreeGPL-3.0-or-later · self-hosted software

The facts

Each one read from RedStore's own pages, with the date it was checked.

What it does

HTTP interface
RedStore has an HTTP interface and a built-in HTTP server.checked 8 Oct 2026
Installation
The README describes installation through the standard automake build process using configure, make, and make install.checked 8 Oct 2026
License
RedStore is free software under the GNU General Public License version 3 or, at the user's option, any later version.checked 8 Oct 2026
Loading data
The HTTP interface can load a URI at startup or accept RDF files via HTTP PUT.checked 7 Oct 2026
Maintainer
The README names Nicholas J. Humfrey and gives an aelius.com email address.checked 7 Oct 2026
Offline operations
RedStore is compatible with the rdfproc command-line tool for offline operations.checked 8 Oct 2026
Product
RedStore is a lightweight RDF triplestore written in C using the Redland library.checked 8 Oct 2026
Purpose
RedStore is a lightweight RDF triplestore written in C using the Redland library.checked 7 Oct 2026
Querying
The README demonstrates querying the store through its /sparql endpoint with the SPARQL Query Tool.checked 7 Oct 2026
RDF formats
The project says RedStore supports a wide range of RDF formats.checked 8 Oct 2026
Requirements
The listed minimum Redland library requirements are raptor2 2.0.4, rasqal 0.9.27, and redland 1.0.14.checked 8 Oct 2026
Runtime dependency
The README identifies Redland as RedStore's only runtime dependency.checked 7 Oct 2026
Standards
It supports SPARQL 1.0 Query, SPARQL 1.1 Protocol for RDF, SPARQL 1.1 Graph Store HTTP Protocol, and SPARQL 1.1 Service Description.checked 8 Oct 2026
Storage
Supported Redland storage modules include hashes, MySQL, memory, PostgreSQL, SQLite, and Virtuoso; hashes is the default.checked 7 Oct 2026
Storage options
Supported Redland storage modules include hashes (the default), MySQL, memory, PostgreSQL, SQLite, and Virtuoso, provided the module supports contexts.checked 8 Oct 2026
Support
The README lists the author's email address as [email protected].checked 8 Oct 2026
Testing
The project lists a unit and integration test suite as a feature.checked 8 Oct 2026

Where it runs

Mac app
The project says a Mac OS X app is available.checked 8 Oct 2026
macOS app
The README states that a Mac OS X app is available.checked 7 Oct 2026

The company

Maker
The README names Nicholas J. Humfrey as the project author.checked 8 Oct 2026

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