Merge pull request #44 from nicholascar/patch-1

added pySHACL

Author: VladimirAlexiev

README.md

@@ -44,6 +44,7 @@ Software tools or libraries, sorted by programming language.
 - [SHACL for Ruby](https://github.com/ruby-rdf/shacl) <img alt="Gem Version" src="https://img.shields.io/gem/v/shacl" align="top"> <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/ruby-rdf/shacl" align="top"> - A pure-Ruby library for working with the Shape Constraint Language to validate the shape of RDF graphs; `BSD-3-Clause` license; `Ruby`.
 - [maplib](https://github.com/DataTreehouse/maplib) <img src="https://img.shields.io/github/v/tag/DataTreehouse/maplib" align="top"> <img src="https://img.shields.io/github/last-commit/DataTreehouse/maplib" align="top"> - High-performance RDF knowledge graph construction, SHACL validation and SPARQL-based enrichment. `Apache-2.0` license. `Rust` with `Python` bindings. But SHACL is not open source: [lib/shacl/src/lib.rs](https://github.com/DataTreehouse/maplib/blob/main/lib/shacl/src/lib.rs) says `unimplemented!("Contact Data Treehouse to try")`  💰
 - [rudof](https://github.com/rudof-project/rudof) <img alt="Latest Version" src="https://img.shields.io/crates/v/rudof-cli" align="top"> <img alt="Release Date" src="https://img.shields.io/github/release-date/rudof-project/rudof" align="top"> - Implements ShEx, SHACL, [DCTAP](https://www.dublincore.org/specifications/dctap/), and other technologies in the RDF ecosystem; library and CLI; `Apache` and `MIT` licenses; `Rust` with `Python` bindings. [docs](https://rudof-project.github.io/rudof/cli_usage/shacl_validate.html).
+- [pySHACL](https://github.com/rdflib/pyshacl) <img alt="Release Date" src="https://img.shields.io/github/release-date/rdflib/pyshacl" align="top"> - pySHACL: A Python validator for SHACL. One of the most comprehensive SHACL implementations. Uses [RDFLib](https://github.com/rdflib/rdflib) for working with RDF and [OWL-RL library](https://github.com/rdflib/owl-rl) for OWL2 RL Profile-based expansion of data graphs; `Apache` license; `Python`.
 - [xpshacl](https://github.com/gcpdev/xpshacl) <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/gcpdev/xpshacl" align="top"> - xpSHACL: Explainable SHACL Validation. Combining rule-based justification trees with retrieval-augmented generation (RAG) and large language models (LLMs) to produce detailed, understandable, multi-language explanations. `MIT` license. `Python`
 
 ## ShEx Validators