Parse GitHub Repositories (2026) · Open Source Tools

SystemVerilog compiler and language services

Advanced Java CSS 3 parser and builder

mdast utility to parse markdown

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

A querystring parser and serializer with nesting support

SwiftSoup: Pure Swift HTML Parser, with best of DOM, CSS, and jquery (Supports Linux, iOS, Mac, tvOS, watchOS)

Html Agility Pack (HAP) is a free and open-source HTML parser written in C# to read/write DOM and supports plain XPATH or XSLT. It is a .NET code library that allows you to parse "out of the web" HTML files.

The JavaScript SDK for Parse Platform

Yet Another UserAgent Analyzer

Open-source cross-platform symbolic algebra library for C# and F#. Can be used for both production and research purposes.

A C++11 library for parsing and serializing JSON to and from a DOM container in memory.

Fast, convenient JSON serialization and parsing in C++

Go parsers for web formats

🧬 Schema for everything - faster than hand-written code.

JavaScript library for quantity calculation and unit conversion

Easy parsing of Apache HTTPD and NGINX access logs with Java, Hadoop, Hive, Flink, Beam, Storm, Drill, ...

PostCSS Syntax for parsing LESS

Declarative binary reading and writing: bit-level, symmetric, serialization/deserialization