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Redland

A modular C library suite for RDF storage, parsing, and querying. Comprises Raptor (parser/serializer), Rasqal (query engine), and librdf (storage API) with pluggable backends including Berkeley DB, PostgreSQL, MySQL, and SQLite. Provides bindings for Perl, Python, Ruby, and PHP.

Overall rank
#68
First released
2000
License
LGPL-2.1 OR GPL-2.0 OR Apache-2.0
Built with
C

Details

Vendor
Dave Beckett
Type
RDF
Kind
Library
Category
Established
Status
Inactive — Mature project with periodic maintenance. Last release 2.0.18 in October 2024.
License
LGPL-2.1 OR GPL-2.0 OR Apache-2.0
Language
C
Query Languages
SPARQL
Sources 3 references

License LGPL-2.1 OR GPL-2.0 OR Apache-2.0

Corrected from the flattened current value 'LGPL-2.1': the LICENSE file offers three alternative licences, of which only one applies once chosen.

  • This package is Free Software available under any one of the specified licenses below. All the licenses below are alternatives
    LICENSE.html · reviewed 2026-08-02

Released 2000

Confirms current value; project README states development began in 2000.

  • This is a mature and stable RDF library developed since 2000 used in multiple projects.
    dajobe/librdf · reviewed 2026-08-02

Language C

Project homepage describes the libraries as C libraries.

  • Redland is a set of free software C libraries that provide support for the Resource Description Framework (RDF).
    Redland RDF Libraries · reviewed 2026-08-02