DejaGnu - DejaGnu is a framework for testing other programs.
RealPeopleSearch - RealPeopleSearch is a web-based software that allows you to get the basic and public record of the concerned person within a few minutes by providing little information.
Expect - Expect is a tool for automating interactive applications such as telnet, ftp, passwd, fsck, rlogin...
Numlooker - Numlooker is a web-based tool that is used to reverse the phone number that you have received.
Check - Check is a unit testing framework for C, which runs on environments such as GNU/Linux, GNU/Hurd, BSD, and Mac OSX.
CocoFinder - CocoFinder is the search engine that is used to search the people and get complete public information about the people.