diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c6ced04..87fdfe9 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,23 +1,106 @@
-# SHACL Community Group
+# Contribution Guidelines
-This repository is being used for work in the W3C SHACL Community Group, governed by the [W3C Community License
-Agreement (CLA)](http://www.w3.org/community/about/agreements/cla/). To make substantive contributions,
-you must join the CG.
+Please note that this project is released with a [Contributor Code of Conduct](CODE_OF_CONDUCT.md).
+By participating in this project you agree to abide by its terms.
-If you are not the sole contributor to a contribution (pull request), please identify all
-contributors in the pull request comment.
+This repository is governed by the [CC0 license](https://creativecommons.org/publicdomain/zero/1.0/).
-To add a contributor (other than yourself, that's automatic), mark them one per line as follows:
+To add, remove, or change things on the list: **Submit a pull request**.
+## Quality standards
+
+Please contribute links to packages/projects you have used or are familiar with. This will help ensure high-quality entries.
+
+To be on the list, project repositories should adhere to the following quality standards.
+
+- have at least 5 months of history since the first commit.
+- function as documented and expected;
+- be generally useful to the wider Semantic Web community;
+- be actively maintained or not maintained anymore but finished and extremely useful (should be marked with ☠️);
+- be stable or progressing toward stable;
+- have at least one official version-numbered release;
+- be open source or commercial (marked with 💰) software.
+
+Categories must have at least 3 items.
+
+## How to add an item to the list
+
+Open a pull request against the README.md document that adds the repository to the list.
+
+- The pull request could add more than one item to the list.
+- The added items should respect sorting within its category:
+ - by programming language first (if it is applicable),
+ - and then in alphabetical order.
+
+## Item format
+
+Non-software item must conform to the following format:
+
+` - .`
+
+Software item must conform to the following format:
+
+` - .`
+
+Where:
+- The link:
+ - Should be the name of the package or project.
+ - The hyperlink should point to a specific module related to the category (e.g. in case of 'SHACL Validators' section, use `https://github.com/apache/jena/tree/main/jena-shacl`, not `https://github.com/apache/jena`).
+- Activity info:
+ - Should consists of two badges:
+ - Latest known stable version badge (from any most common binary repository or GH Releases).
+ - Recent repository activity badge.
+ - Use `` badge format to better inline alignment.
+ - Do not use any other badges (build status, dependencies, etc.).
+ - Additional icons could be used to mark commercial 💰 or abandoned ☠️ software.
+- Description:
+ - Should be clear, concise, and non-promotional.
+ - Should begin with a capital letter.
+ - May consist of several sentences.
+ - Should be separated from the activity info with spaces and a dash ` - `.
+ - Should contain license info and programming language at the end, formatted as `text in code quotes`.
+ - Should follow the link on the same line and end with a punctuation mark. Remember to put a period `.` at the end of the project description.
+
+### Examples
+
+#### Non-software items
+
+Without a description:
+
+```markdown
+- [SHACL 1.2 Core](https://w3c.github.io/shacl/shacl-core/)
```
-+@github_username
+
+With a description:
+```markdown
+- [Validating RDF Data (2018)](https://book.validatingrdf.com) - The SHACL and ShEx book.
```
-If you added a contributor by mistake, you can remove them in a comment with:
+#### Software module item with a description
+```markdown
+- [Apache Jena SHACL](https://github.com/apache/jena/tree/main/jena-shacl) - Supports SHACL Core, SHACL-SPARQL; [docs](https://jena.apache.org/documentation/shacl/index.html); `Apache-2.0` license; `Java`.
```
--@github_username
-```
-If you are making a pull request on behalf of someone else but you had no part in designing the
-feature, you can remove yourself with the above syntax.
+## How to add a new category
+
+If you are creating a new category, move the projects that apply to the new category, ensuring
+that the resulting list has at least 3 projects in every category, and that the categories are alphabetized.
+
+## Updating your PR
+
+A lot of times, making a PR adhere to the standards above can be difficult.
+If the maintainers notice anything that we'd like changed, we'll ask you to
+edit your PR before we merge it. There's no need to open a new PR, just edit
+the existing one.
+
+## Congrats, your project got accepted - what now?
+
+You are an outstanding project now! Feel encouraged to tell others about it by adding one of these badges:
+[![Mentioned in Awesome Semantic Shapes](https://awesome.re/mentioned-badge.svg)](https://github.com/w3c-cg/awesome-semantic-shapes)
+[![Mentioned in Awesome Semantic Shapes](https://awesome.re/mentioned-badge-flat.svg)](https://github.com/w3c-cg/awesome-semantic-shapes)
+
+```md
+[![Mentioned in Awesome Semantic Shapes](https://awesome.re/mentioned-badge.svg)](https://github.com/w3c-cg/awesome-semantic-shapes)
+[![Mentioned in Awesome Semantic Shapes](https://awesome.re/mentioned-badge-flat.svg)](https://github.com/w3c-cg/awesome-semantic-shapes)
+```
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..3ad65fd
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,40 @@
+CC0 1.0 Universal
+
+Statement of Purpose
+
+The laws of most jurisdictions throughout the world automatically confer exclusive Copyright and Related Rights (defined below) upon the creator and subsequent owner(s) (each and all, an "owner") of an original work of authorship and/or a database (each, a "Work").
+
+Certain owners wish to permanently relinquish those rights to a Work for the purpose of contributing to a commons of creative, cultural and scientific works ("Commons") that the public can reliably and without fear of later claims of infringement build upon, modify, incorporate in other works, reuse and redistribute as freely as possible in any form whatsoever and for any purposes, including without limitation commercial purposes. These owners may contribute to the Commons to promote the ideal of a free culture and the further production of creative, cultural and scientific works, or to gain reputation or greater distribution for their Work in part through the use and efforts of others.
+
+For these and/or other purposes and motivations, and without any expectation of additional consideration or compensation, the person associating CC0 with a Work (the "Affirmer"), to the extent that he or she is an owner of Copyright and Related Rights in the Work, voluntarily elects to apply CC0 to the Work and publicly distribute the Work under its terms, with knowledge of his or her Copyright and Related Rights in the Work and the meaning and intended legal effect of CC0 on those rights.
+
+Copyright and Related Rights. A Work made available under CC0 may be protected by copyright and related or neighboring rights ("Copyright and Related Rights"). Copyright and Related Rights include, but are not limited to, the following:
+i. the right to reproduce, adapt, distribute, perform, display, communicate, and translate a Work;
+
+ii. moral rights retained by the original author(s) and/or performer(s);
+
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+
+vii. other similar, equivalent or corresponding rights throughout the world based on applicable law or treaty, and any national implementations thereof.
+
+Waiver. To the greatest extent permitted by, but not in contravention of, applicable law, Affirmer hereby overtly, fully, permanently, irrevocably and unconditionally waives, abandons, and surrenders all of Affirmer's Copyright and Related Rights and associated claims and causes of action, whether now known or unknown (including existing as well as future claims and causes of action), in the Work (i) in all territories worldwide, (ii) for the maximum duration provided by applicable law or treaty (including future time extensions), (iii) in any current or future medium and for any number of copies, and (iv) for any purpose whatsoever, including without limitation commercial, advertising or promotional purposes (the "Waiver"). Affirmer makes the Waiver for the benefit of each member of the public at large and to the detriment of Affirmer's heirs and successors, fully intending that such Waiver shall not be subject to revocation, rescission, cancellation, termination, or any other legal or equitable action to disrupt the quiet enjoyment of the Work by the public as contemplated by Affirmer's express Statement of Purpose.
+
+Public License Fallback. Should any part of the Waiver for any reason be judged legally invalid or ineffective under applicable law, then the Waiver shall be preserved to the maximum extent permitted taking into account Affirmer's express Statement of Purpose. In addition, to the extent the Waiver is so judged Affirmer hereby grants to each affected person a royalty-free, non transferable, non sublicensable, non exclusive, irrevocable and unconditional license to exercise Affirmer's Copyright and Related Rights in the Work (i) in all territories worldwide, (ii) for the maximum duration provided by applicable law or treaty (including future time extensions), (iii) in any current or future medium and for any number of copies, and (iv) for any purpose whatsoever, including without limitation commercial, advertising or promotional purposes (the "License"). The License shall be deemed effective as of the date CC0 was applied by Affirmer to the Work. Should any part of the License for any reason be judged legally invalid or ineffective under applicable law, such partial invalidity or ineffectiveness shall not invalidate the remainder of the License, and in such case Affirmer hereby affirms that he or she will not (i) exercise any of his or her remaining Copyright and Related Rights in the Work or (ii) assert any associated claims and causes of action with respect to the Work, in either case contrary to Affirmer's express Statement of Purpose.
+
+Limitations and Disclaimers.
+
+a. No trademark or patent rights held by Affirmer are waived, abandoned, surrendered, licensed or otherwise affected by this document.
+
+b. Affirmer offers the Work as-is and makes no representations or warranties of any kind concerning the Work, express, implied, statutory or otherwise, including without limitation warranties of title, merchantability, fitness for a particular purpose, non infringement, or the absence of latent or other defects, accuracy, or the present or absence of errors, whether or not discoverable, all to the greatest extent permissible under applicable law.
+
+c. Affirmer disclaims responsibility for clearing rights of other persons that may apply to the Work or any use thereof, including without limitation any person's Copyright and Related Rights in the Work. Further, Affirmer disclaims responsibility for obtaining any necessary consents, permissions or other rights required for any use of the Work.
+
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+
+For more information, please see https://creativecommons.org/publicdomain/zero/1.0
diff --git a/LICENSE.md b/LICENSE.md
deleted file mode 100644
index f623b6b..0000000
--- a/LICENSE.md
+++ /dev/null
@@ -1,10 +0,0 @@
-All Reports in this Repository are licensed by Contributors
-under the
-[W3C Software and Document License](https://www.w3.org/copyright/software-license/).
-
-Contributions to Specifications are made under the
-[W3C CLA](https://www.w3.org/community/about/agreements/cla/).
-
-Contributions to Test Suites are made under the
-[W3C 3-clause BSD License](https://www.w3.org/copyright/3-clause-bsd-license-2008/)
-
diff --git a/README.md b/README.md
index 77165ed..751196d 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,8 @@ Semantic shapes are frequently described using the SHACL or ShEx language.
## SHACL Validators
+Software tools or libraries, sorted by programming language.
+
- [Apache Jena SHACL](https://github.com/apache/jena/tree/main/jena-shacl) - Supports SHACL Core, SHACL-SPARQL; [docs](https://jena.apache.org/documentation/shacl/index.html); `Apache-2.0` license; `Java`.
- [RDF4J SHACL Engine](https://github.com/eclipse-rdf4j/rdf4j/tree/main/core/sail/shacl) - Supports SHACL Core (without some property paths, see [5.0.3 improvements](https://github.com/Sveino/Inst4CIM-KG/issues/95#issuecomment-2437819932)), SHACL-SPARQL, incremental validation; [docs](https://rdf4j.org/documentation/programming/shacl/); `BSD-3-Clause` license; `Java`.
- [TopBraid SHACL API](https://github.com/TopQuadrant/shacl) - Supports SHACL Core, SHACL-SPARQL, SHACL rules; based on Jena; `BSD-3-Clause` license; `Java`.
@@ -48,6 +50,8 @@ Semantic shapes are frequently described using the SHACL or ShEx language.
## ShEx Validators
+Software tools or libraries, sorted by programming language.
+
- [Apache Jena ShEx](https://github.com/apache/jena/tree/main/jena-shex) - Supports ShEx, ShExC; not supported semantic actions, EXTERNAL; [docs](https://jena.apache.org/documentation/shex/); `Apache-2.0` license; `Java`.
- [shexSpec/shex.js](https://github.com/shexjs/shex.js) - JavaScript implementation of Shape Expressions; `MIT` license; `JavaScript`.
- [playground](http://rawgit.com/shexSpec/shex.js/master/doc/shex-simple.html) - Browser-based testbed.