HTML parsers are essential when scraping real-world websites that may not have perfect HTML structure.Scraper is a high-level HTML parsing library in Rust, built for real-world compatibility and ease of use.Html5ever is a fast parser designed for performance-critical scraping, offering complete control without building a full DOM tree.Select.rs provides a jQuery-style syntax for easy selectors and structured data output, suitable for simpler HTML tasks.Kuchiki offers a tree-based interface for tree traversal tasks, best suited for simpler HTML tasks but lacks support for large projects.Pulldown-cmark, primarily for Markdown parsing, can be adapted for HTML tasks like converting HTML content to Markdown efficiently.