SiteFinger is described as 'Quickly find out what software a particular website is using by analyzing server headers, DNS records, and page content and comparing it to our proprietary fingerprint database'. There are more than 10 alternatives to SiteFinger, not only websites but also apps for a variety of platforms, including Google Chrome, SaaS, Firefox and Microsoft Edge. The best alternative is Wappalyzer, which is both free and Open Source. Other great sites and apps similar to SiteFinger are BuiltWith (Freemium), WhatRuns (Free), Shraga (Free) and RivalScan (Freemium).
Webspotter is a website and technology database that provides clients with a powerful blend of lead searching and competitive research functionalities. Webspotter allows you to get more leads for your business.