crawlertools
Crawlertools is a term used to describe a family of open-source software tools and libraries intended to support web crawling, data extraction, and content archival. Rather than referring to a single unified project, crawlertools typically denotes modular components that can be combined to build custom crawlers, scrapers, or indexers. In practice, projects bearing or using the name provide functionality for scheduling URLs, managing politeness and concurrency, performing HTTP requests, parsing pages, extracting structured data, and storing results.
Core components commonly found in crawlertools ecosystems include a URL queue or frontier, a rate limiter and
Use cases range from general-purpose search engine crawling to price monitoring, content archiving, and research data