guardify
Guardify is a Node.js middleware designed to enhance the security of your web applications by setting various HTTP security headers. It is easy to integrate and customizable based on your specific security requirements.
koa-xframe
X-Frame-Options HTTP response header utility for Koa
x-frame-test
cli tool to check if a url can be opened in an iframe
iframe_tester
A simple way to verify if a user's provided link can be embedded in an iframe.