Scrapy - Scrapy | A Fast and Powerful Scraping and Web Crawling Framework
Datahut - Datahut is a web scraping service provider providing web scraping, data scraping, web crawling and web data extraction to help companies get structured data from websites.
XRumer - description of XRumer
Apache Nutch - Apache Nutch is a highly extensible and scalable open source web crawler software project.
Apify - Apify is a web scraping and automation platform that can turn any website into an API.
Heritrix - Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web...