Open Source BSD Web Scrapers

Scrapy is a fast, open source, high-level framework for crawling websites and extracting structured data from these websites. Portable and written in Python, it can run on Windows, Linux, macOS and BSD. Scrapy is powerful, fast and simple, and also easily extensible. Simply write the rules to extract the data, and add new functionality if you wish without having to touch the core. Scrapy does the rest, and can be used in a number of applications. It can be used for data mining, monitoring and automated testing.

Easily turn large sets of image urls to an image dataset. Can download, resize and package 100M urls in 20h on one machine. Also supports saving captions for url+caption datasets. Opt-out directives: Websites can pass the http headers X-Robots-Tag: noai, X-Robots-Tag: noindex , X-Robots-Tag: noimageai and X-Robots-Tag: noimageindex By default img2dataset will ignore images with such headers.

The archive-crawler project is building Heritrix: a flexible, extensible, robust, and scalable web crawler capable of fetching, archiving, and analyzing the full diversity and breadth of internet-accesible content.

Web data extraction (web data mining, web scraping) tool. It leverages well proved XML and text processing techologies in order to easely extract useful data from arbitrary web pages.

This project is a java web spider (web crawler) with the ability to download (and resume) files. It is also highly customizable with regular expressions and download templates. All backend functionalities are also available in a separate library.

Larbin is an HTTP Web crawler with an easy interface that runs under Linux. It can fetch more than 5 million pages a day on a standard PC (with a good network).

OpenWebSpider is an Open Source multi-threaded Web Spider (robot, crawler) and search engine with a lot of interesting features!

A function-testing, performance-measuring, site-mirroring, web spider that is widely portable and capable of using scenarios to process a wide range of web transactions, including ssl and forms.

Domain analyzer is a security analysis tool which automatically discovers and reports information about the given domain. Its main purpose is to analyze domains in an unattended way.

Automate the download of entire Twitch.tv channels with its metadata. Save each Twitch video into its own folder, with date and time values, video ID, stream metadata, frame screenshot, .ts parts list and sha256 hash. Keep the original ts files and generate mp4 files from them. It requires a shell and some command line utilities. See README.md for details in the Code/git section.

bee-rain is a web crawler that harvest and index file over the network. You can see result by bee-rain website : http://bee-rain.internetcollaboratif.info/

APC Anti Crawler is a php5 class based on APC which can be used to limit the amount of http request per IP. It stop web crawler to download your entire website.

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

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.

A new Web Crawler including sophisticated searching process especialized by language !

arachne is a C++ library for HTTP crawling, link, text and metadata extraction designed to run in a distributed environment.

Constellio is an enterprise search engine that allows companies to search all their organization's information through a single interface (Web, CRM, ERP, ECM, Mail etc.). Constellio is Based on Apache Solr and Google Search Appliance's connector. Constellio has a powerful web crawler.

Crawler.NET is a component-based distributed framework for web traversal intended for the .NET platform. It comprises of loosely coupled units each realizing a specific web crawler task. The main design goals are efficiency and flexibility.

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.

Webhunter is a distributed, multi-threaded web crawler designed for both general indexing and crawling the web for focused content.

Easy Spider is a distributed Perl Web Crawler Project from 2006. It features code from crawling webpages, distributing it to a server and generating xml files from it. The client site can be any computer (Windows or Linux) and the Server stores all data. Websites that use EasySpider Crawling for Article Writing Software: https://www.artikelschreiber.com/en/ https://www.unaique.net/en/ https://www.unaique.com/ https://www.artikelschreiben.com/ https://www.buzzerstar.com/ https://easyperlspider.sourceforge.io/ https://www.sebastianenger.com/ https://www.artikelschreiber.com/opensource/ It is fun to look at some code that is few years ago and to see how one has improved himself. If you want to write text automatically try https://www.artikelschreiber.com/en/ or https://www.unaique.net/en/!

A multi-threaded web spider that finds free porn thumbnail galleries by visiting a list of known TGPs (Thumbnail Gallery Posts). It optionally downloads the located pictures and movies. TGP list is included. Public domain perl script running on Linux.

Funnel is a project for use on intranets, or selected sites on the Internet to gather together and index information from several different sources and make it available through a sane, usable interface.

Harvest is a web indexing package, originally disigned for distributed indexing, it can form a powerful system for indexing both large and small web sites. Also now includes Harvest-NG a highly efficient, modular, perl-based web crawler.

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.