Easy Spider is a distributed Perl Web Crawler Project from 2006
DuckDuckGo from the terminal
a Python library for managing shared files
A PHP search engine for your website and web analytics tool. GNU GPL3
Google Search, Google Site Search, Google News from the terminal
A website crawler and links downloader command line tool
Very configurable web downloader
XML bindings and a GUI for creating and editing XBMC Scrapers
Open Source SEO & SEM Text Creation Tools for free Article Writer
Indexed cloud file system