Data-Languages.md

 - XML
 - JSON
-- YAML
+- [YAML](https://yaml.org/)
+- [strictyaml](https://hitchdev.com/strictyaml/)
 - [KDL](https://kdl.dev/)
 - [EKON](https://github.com/ekon-org/ekon)
 - [NestedText](https://nestedtext.org/en/stable/)