SimplytheBest Search Engine Scripts
The simply the best collection of search engine scripts
The 2 best search engine scripts
A powerful open source PHP library to request a bunch of SEO relevant metrics such as detailed backlink analyses, keyword and traffic statistics, website trends, page authority, Google Pagerank, the Alexa Trafficrank and much more.
An open-source search engine solution accessible to everyone, meeting the vast majority of needs, even specific ones. Installable very easily with little or no configuration required but with a high capacity for customization.