Google Site Indexer (GSI) is a program designed to create a directory listing when a site has turned directory listing off. It sends requests to google using the site operator. Also it gets the sites robots.txt file.
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GoogleCall uses Google's Click-to-Call service to send a number with a forged Caller ID. It automates the process of sending multiple calls to someone with multiple forged Caller IDs.
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Google Rower was created to automate google searches and retrieve the links. It can brute force searches to get more results by adding a letter or number to the end of each search. It then combines all the results found into one html file and removes the duplicates. It can be used to search an ip range using google's site operator, thus looking for backup/old http servers.
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