AOL has released search data to the public. This includes over 20 million search queries from 658,000 of AOL's users. Apparently 658,000 AOL users are estimated to be around 1.5% of the total Google search population. This data is from March 1 2006 - June

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OpenLayers makes it easy to put a dynamic map in any web page. It can display map tiles and markers loaded from any source. MetaCarta developed the initial version of OpenLayers and gave it to the public to further the use of geographic information of all

MG4J (Managing Gigabytes for Java) is a free full-text indexing system for large document collections written in Java.

Carrot2 is a framework for experimenting with automated querying of various data sources (such as search engines), processing search results and their visualization. Carrot2 was primarily built with search results clustering in mind, but it can be easily

Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project. Heritrix (sometimes spelled heretrix, or misspelled or missaid as heratrix/heritix/ heretix/heratix) is an archaic word for heiress (woman who inh

Hadoop is a new Lucene sub-project that contains the distributed computing platform that was formerly a part of Nutch. This includes the Hadoop Distributed Filesystem (HDFS) and an implementation of MapReduce.

Java Excel API is a mature, open source java API enabling developers to read, write, and modifiy Excel spreadsheets dynamically. Now java developers can read Excel spreadsheets, modify them with a convenient and simple API, and write the changes to any ou

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