Update README.md

README.md

@@ -21,4 +21,10 @@ Powered by https://github.com/sourcey/spectacle
 
 ### Redoc
 https://docs.quantimo.do/redoc/index.html
-Powered by https://github.com/Redocly/redoc/
+Powered by https://github.com/Redocly/redoc/
+
+
+## GUI OpenAPI Editors
+https://mermade.github.io/openapi-gui/
+
+https://stoplight.io/ - Using Stoplight you can create OpenAPI descriptions, documentation, mock servers much faster than other API tools, with no specialized knowledge required in one centralized platform.