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A simple to set up web scraper written in Java. It uses modified regEx to quickly write complex patterns to parse data out of a website. It contains a GUI tool for testing your configuration scripts and is fully automated through the command line
Other spiders has a limited link depth, follows links not randomized or are combined with heavy indexing machines. This spider will has not link depth limits, randomize next url, that will be checked for new urls.
The DeDuplicator is an add-on module (plug-in) for the web crawler Heritrix. It offers a means to reduce the amount of duplicate data collected in a series of snapshot crawls.
This project will provide a tool for users to get a better understanding of the content and structure of an existing website. It will do this by providing a customised web spider as well as extensions to the GUESS graph visualisation application.
WebNews Crawler is a specific web crawler (spider, fetcher) designed to acquire and clean news articles from RSS and HTML pages. It can do a site specific extraction to extract the actual news content only, filtering out the advertising and other cruft.
Aracnis is a Java based framework for building distributed web spiders. These spiders can be used to accomplish a variety of tasks, for example, screen-scraping and link integrity checking.
HtmlClient provides an SGML/HTML/XHTML parser and connection client making web-spidering as easy for developers as actually surfing the web with a premade browser. Based on Apache's HttpClient.
J-Obey is a Java Library/package, which allows people writing their own crawlers to have a stable Robots.txt parser, if you are writing a web crawler of some sort you can use J-Obey to take out the hassle of writing a Robots.txt parser/intrepreter.
Robust featureful multi-threaded CLI web spider using apache commons httpclient v3.0 written in java. ASpider downloads any files matching your given mime-types from a website. Tries to reg.exp. match emails by default, logging all results using log4j.
WebLoupe is a java-based tool for analysis, interactive visualization (sitemap), and exploration of the information architecture and specific properties of local or publicly accessible websites. Based on web spider (or web crawler) technology.
A Java implementation of a flexible and extensible web spider engine.
Optional modules allow functionality to be added (searching dead links, testing the performance and scalability of a site, creating a sitemap, etc ..
Arachnid is a Java-based web spider framework. It includes a simple HTML parser object that parses an input stream containing HTML content. Simple Web spiders can be created by sub-classing Arachnid and adding a few lines of code called after each page
WebSPHINX is a web crawler (robot, spider) Java class library, originally developed by Robert Miller of Carnegie Mellon University. Multithreaded, tollerant HTML parsing, URL filtering and page classification, pattern matching, mirroring, and more.
Spider is web crawler written in the Java.Based on an Regular expression string the spider parses the internet for web pages matching this string and stores it in an MYSQL database.