YaCy is a free searchengine that anyone can use to build search the internet (www and ftp) or to create a search portal for others (internet or intranet). The scale of YaCy is limited only by the number of users and can index billions of web pages. In p2p mode it is fully decentralized, all users of the searchengine network are equal and it is not possible for anyone to censor the content of the distributed index.
Platform for parallel computation in the Amazon cloud, including machine learning ensembles written in R for computational biology and other areas of scientific research. Home to MR-Tandem, a hadoop-enabled fork of X!Tandem peptide searchengine.
Ex-Crawler is divided into 3 subprojects (Crawler Daemon, distributed gui Client, (web) searchengine) which together provide a flexible and powerful searchengine supporting distributed computing. More informations: http://ex-crawler.sourceforge.net
Searchy is a distributed metainformation searchengine whose main goal is to federate search systems and integrate information. It uses RDF as abstract information model and may be used with Dublin Core, FOAF, vCard, etc
The Internet Censor is a multi-platform, Internet clustering program, for which the resulting data will be used in the creation of a non-profit content-filtering Internet SearchEngine for children.