What are the best open-source web crawlers?

Hey, we're Apify. You can build, deploy, share, and monitor your scrapers and crawlers on the Apify platform. Check us out.To effectively gain insights into organizational or company market data, structured data in a machine-readable format is essential. This is where web crawlers and scrapers come into play. Learn how this process works and discover the top free software libraries, frameworks, and SDKs for web crawling.What are open-source web crawlers and web scrapers? ????Online data extraction can be defined as web crawling or web scraping:????️Web crawlers are often used by search engines, which crawl websites, look for links and pages, and extract their content relatively indiscriminately.????Web scrapers, on the other hand, extract information from a website based on a certain script, which is often tailored to a specific website and its corresponding elements.When software or an API is open-source, its code is available to the general public for free, and it can be modified and optimize...