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Best AngleSharp Alternatives ranked by AI · updated Aug 2026

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AngleSharp is a .NET library for parsing HTML, XML, and CSS while exposing browser-like DOM and selector APIs. It is aimed at C# and .NET developers building scrapers, document processors, and server-side web tooling.

Developer: AngleSharp contributors Price: Free 🎯 anglesharp.github.io
🕸️ Web Scraping 🔓 Open Source .Net csharp html parser

Top 6 AngleSharp alternatives

1 Gumbo logo

Gumbo

Google

Gumbo is an open-source C99 HTML5 parser that converts malformed or well-formed HTML into a parse tree. It is intended for developers...

Pros

  • Implements HTML5 parsing behavior and handles malformed markup robustly
  • Written in portable C99 with no browser runtime dependency
  • Produces a straightforward tree structure suitable for native integrations

Cons

  • Less actively maintained than newer parser libraries such as Lexbor or parse5
  • C API is lower-level than Beautiful Soup or lxml
  • Does not provide CSS selectors, networking, or scraping utilities

Free

Alternatives to Gumbo → Visit site
3

lxml

lxml project

lxml is a Python and Cython library for parsing and processing XML and HTML with libxml2 and libxslt. It is aimed at...

Pros

  • Usually faster and more feature-rich than Gumbo for Python applications
  • Provides XPath, CSS selectors, XSLT, and robust serialization
  • Supports both HTML and XML workflows in one library

Cons

  • Python and Cython integration is less portable than a standalone C library
  • HTML5 conformance can differ from browser parsing in edge cases
  • API is more complex than Beautiful Soup for small scraping scripts

Free

Alternatives to lxml → Visit site
4

parse5

parse5 contributors

parse5 is a JavaScript implementation of the WHATWG HTML parsing algorithm. It is designed for Node.js tools, server-side rendering systems, and libraries...

Pros

  • Closely follows the HTML standard and browser parsing behavior
  • Native fit for Node.js and modern JavaScript toolchains
  • Widely used as a parsing foundation by HTML-related projects

Cons

  • Requires JavaScript or Node.js rather than offering Gumbo's C-native integration
  • Provides fewer high-level scraping conveniences than Beautiful Soup
  • Lower-level tree APIs can require more code for basic extraction

Free

Alternatives to parse5 → Visit site
5

Lexbor

Lexbor

Lexbor is a lightweight C library for HTML5 parsing, DOM manipulation, CSS selection, and related web-platform tasks. It targets native applications and...

Pros

  • More actively developed and feature-rich for modern native applications than Gumbo
  • Includes HTML parsing, DOM APIs, and CSS selector support
  • Designed for low memory usage and high performance

Cons

  • Smaller user community and ecosystem than Gumbo's historical footprint
  • API and documentation may require more native-library expertise
  • Less established language binding support than popular scripting libraries

Free

Alternatives to Lexbor → Visit site
6

html5lib

html5lib contributors

html5lib is a Python HTML parser that follows the HTML5 parsing specification and builds standards-compatible document trees. It is suited to developers...

Pros

  • Strong HTML5 conformance and predictable malformed-markup handling
  • Pure Python implementation with broad portability
  • Integrates with ElementTree-compatible workflows

Cons

  • Significantly slower than Gumbo, lxml, and other compiled parsers
  • Focused on parsing rather than scraping, networking, or browser automation
  • Requires Python and adds more overhead for high-volume workloads

Free

Alternatives to html5lib → Visit site

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