theHarvester is a very simple to use, yet powerful and effective tool designed to be used in the early stages of a penetration test or red team engagement. Use it for open source intelligence (OSINT) gathering to help determine a company's external threat landscape on the internet. The tool gathers emails, names, subdomains, IPs and URLs using multiple public data sources.
The main function of this script is to shorten long website-URL's -- converting long URL's into easy-to-remember, short ones. [htaccess, MOD_REWRITE, XHTML 1.0 strict, CSS 1, JS 1.2, PHP 5X, MySQL 4X]