Please consider adding json-kotlin-schema and -codegen …

_data/validator-libraries-modern.yml

@@ -135,6 +135,15 @@
       date-draft:
       draft: [7, 6, 4]
       license: Apache License 2.0
+    - name: json-kotlin-schema
+      url: https://github.com/pwall567/json-kotlin-schema
+      notes: |
+        Kotlin implementation of JSON Schema.
+        (Currently supports most of Draft 7; see the README for details.
+        Full compliance with Draft 7 and later drafts in progress.)
+      date-draft:
+      draft: [7]
+      license: MIT
 - name: JavaScript
   implementations:
     - name: ajv

implementations.md

@@ -156,6 +156,8 @@ are the only keywords that changed.
 -   Java
     - [jsonCodeGen](https://github.com/schlothauer-wauer/jsoncodegen) (MIT) - Groovy based generation tasks from JSON schema. Already includes templates/generators for Java Beans, Swagger specification files and PlantUML diagrams.
     - [jsongenerator](https://github.com/jimblackler/jsonschematypes/tree/master/codegen) *JSON Schema 2019-09, draft-07, -06, -04, -03* (Apache-2.0)
+-   Kotlin
+    - [json-kotlin-schema-codegen](https://github.com/pwall567/json-kotlin-schema-codegen) (MIT) - Generates Kotlin data classes, Java classes or TypeScript interfaces from JSON Schema.
 -   Online (web tool)
     -   [quicktype.io](https://app.quicktype.io/#l=schema) - infer JSON Schema from samples, and generate TypeScript, C++, go, Java, C#, Swift, etc. types from JSON Schema
 -   PHP