Wappalyzer is shortened name for Web Application Analyzer. This on-line service tracks the distrubition of software on the web. Monthly generated graphs show percentage portions of most used web applications on the internet from various perspective of interest.
This service is usefull for developers who need to know what web software (CMS, wiki,framework, message board, etc.) is most used. You can sort results by application, category, domains, hits or users to find out the chart of parameters you are interesting in. Wappalyzer also offers the Firefox add-on installation to have it ready directly from your devel browser.
