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Scrapy - Scrapy | A Fast and Powerful Scraping and Web Crawling Framework
XRumer - description of XRumer
HypeStat - HypeStat is free statistics and analytics service, where you can find information about every website.
GSA Marketing Software - GSA develops custom software for everyone - they're especially known for providing some the top SEO and website marketing software.
Likestat - Valuate and find statistics of any website or domain including website traffic, alexa rank, meta tags, DNS records and many free seo tools for webmasters.
Scraper API - Scale Data Collection with a Simple API.