Free internet metasearch engine which aggregates
Digital Library Software
A PHP search engine for your website and web analytics tool. GNU GPL3
IXSF Search is a web interface for Windows Indexing Service
Easy Spider is a distributed Perl Web Crawler Project from 2006
This is a automatic swagbucks search automator.
An Open Source "product catalogue" that is customizable and versatile.
Decentralized Web Search Engine
Concise spatial query and representation system (c-squares)
Very configurable web downloader
centralized syslog-ng monitoring frontend writen in php
An open source search engine with RESTFul API and crawlers
Open Source Intelligence Automation.
Desktop application for proxy searching