Add NPM article

replace/npm.md

 ---
-title: NPM
+product: NPM
 type: "Package registries"
 layout: replace
 ---
 
-# NPM
+# Replace NPM
 
 NPM, a common abbreviation for Node Package Manager, is a package manager for [Node.js](https://nodejs.org), a JavaScript runtime for the server.
 
+## Verdaccio
 
+A lightweight private npm proxy registry.
 
+{% infobox %}
+  - **Website**: verdaccio.org
+  - **Source code**: [GitHub](https://github.com/verdaccio/verdaccio)
+  - **License**: [MIT](https://github.com/verdaccio/verdaccio/blob/master/LICENSE)
+{% endinfobox %}
+
+## Open Registry
+
+A JavaScript Package Registry funded, developed and maintained by the community, for the community.
+
+{% infobox %}
+  - **Website**: [open-registry.dev](open-registry.dev)
+  - **Source code**: [GitHub](https://github.com/open-services/open-registry)
+  - **License**: [MIT](https://github.com/open-services/open-registry/blob/master/LICENSE)
+{% endinfobox %}
+
+## CNPM
+
+Private npm registry and web for Enterprise.
+
+{% infobox %}
+  - **Website**: cnpmjs.org
+  - **Source code**: [GitHub](https://github.com/cnpm/cnpmjs.org)
+  - **License**: [MIT](https://github.com/cnpm/cnpmjs.org/blob/master/LICENSE.txt)
+{% endinfobox %}