node-ajax-seo

It deals with the most popular crawlers (Google, Twitter, Fb, LinkedIn, ...) redirecting them to static files but serving fresh pages to human users.

node-sitemap-generator

Tool to create sitemap XML files easily for Node.js apps

node-redsys-api

Node.js Redsys api implementation with new the key-hashed message authentication code (HMAC) SHA256 for the virtual payment gateway integration. This is a node.js port of the PHP API provided by [Redsys](http://www.redsys.es/)