Object-based searching
Easy Spider is a distributed Perl Web Crawler Project from 2006
An Open Source "product catalogue" that is customizable and versatile.
An open source search engine with RESTFul API and crawlers
XYZ Classifieds is a feature rich, simple PHP + MySQL based script.
Go Open Source, Distributed, Simple and efficient Search Engine
Very simple implementaition of list poisoning idea.
A Free site search engine script build with PHP and Ajax.
Easy web based address book and contact manager
Framework for search and display of heterogenous document collections.
A Simple demo of a search page that uses iTunes API to search for pro
WebCollector is an open source web crawler framework based on Java.
XML bindings and a GUI for creating and editing XBMC Scrapers
Simple application for downloading pictures from Zerochan.net
Auto Rescanning - Search Terms - Regularly Updated With New Features