Simple web crawler to crawl a domain and generate sitemap

A simple news crawler. You can specify the structure of your xml or rss feeds.

A watir based web crawler

Retrieves a list of URLs to seed the crawler by publishing them to a RabbitMQ exchange.

A very simple crawler for RubyGems.org used to demo the power of ElasticSearch at RubyConf 2013

Stupid crawler that looks for URLs on a given site. Result is saved as two CSV files one with found URLs and another with failed URLs.

Web crawler help you with parse and collect data from the web

A simple web crawler gem

A simple web crawler gem

Easy way to enable AdSense crawler to login and see private or custom pages in your rails application. Basically one custom login filter. Gem enables you to easily slightly increase revenues from Google AdSense/AdWords. It makes it easy to enable crawling on private pages and so get better target...

Crawl instagram photos, posts and videos for download.

Asynchronous web crawler, scraper and file harvester

An easy to use distributed web-crawler framework based on Redis

Post URLs to Wayback Machine (Internet Archive), using a crawler, from Sitemap(s) or a list of URLs.

validate-website is a web crawler for checking the markup validity with XML Schema / DTD and not found urls.

Ruby web crawler using PhantomJS

Arachnid is a web crawler that relies on Bloom Filters to efficiently store visited urls and Typhoeus to avoid the overhead of Mechanize when crawling every page on a domain.

Rack Middleware adhering to the Google Ajax Crawling Scheme, using a headless browser to render JS heavy pages and serve a dom snapshot of the rendered state to a requesting search engine.

A simple, fast web crawler

Driller is a command line Ruby based web crawler based on Anemone. Driller can crawl website and reports error pages and slow pages and generates HTML reports.