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buger/jsonparser

A high-performance JSON parser for Go that does not require a schema.

5.6K
Archived
Go
API Clients & Testing
API Frameworks
#json#parser#performance

expressjs/body-parser

Express.js middleware for parsing request bodies in JSON, URL-encoded, or raw formats

5.5K
Active
JavaScript
API Frameworks
CLI Tools
Express
#express#middleware#body-parsing

ohmjs/ohm

Ohm is a powerful JavaScript library for building parsers, compilers, and other language tools.

5.5K
Active
JavaScript
CLI Tools
API Frameworks
JavaScript
#parsing#compilers#grammars

AngleSharp/AngleSharp

AngleSharp is a powerful HTML5, MathML, SVG and CSS parser library for .NET that constructs a DOM based on official W3C specifications.

5.5K
Stable
C#
Frontend Frameworks
API Clients & Testing
C#
#html#css#dom

npm/node-semver

The npm-provided semver parser for Node.js, used by npm CLI to manage package versions.

5.4K
Active
JavaScript
CLI Tools
API Frameworks
Node
#versioning#semver#npm

remkop/picocli

Picocli is a modern Java framework for building powerful, user-friendly command-line apps with features like colors, autocompletion, and subcommands.

5.3K
Stable
Java
CLI Tools
Java
#annotations#ansi#argument-parsing

lief-project/LIEF

LIEF is a C++, Python, and Rust library for parsing, modifying, and analyzing executable formats like ELF, PE, and Mach-O.

5.3K
Active
C++
Binary Analysis
Security Research
#binary-analysis#reverse-engineering#executable-formats

pest-parser/pest

The Elegant Parser: A powerful, feature-rich Rust library for building fast and expressive parsers.

5.3K
Active
Rust
API Clients & Testing
API Frameworks
#parsing#peg#cli

euske/pdfminer

A Python PDF parsing library that is no longer actively maintained, but has a newer fork called pdfminer.six.

5.3K
Archived
Python
API Frameworks
Backend Frameworks
Python
#pdf#parsing#python

wanasit/chrono

A natural language date parser in JavaScript that can extract dates from text.

5.2K
Active
TypeScript
API Clients & Testing
Date & Time
TypeScript
#date-parsing#natural-language#time-extraction

google/gumbo-parser

A pure C99 library for parsing HTML5 documents, useful for web scraping and content extraction projects.

5.2K
Active
HTML
Frontend Frameworks
API Frameworks
React
#html-parsing#web-scraping#content-extraction

xoofx/markdig

A fast, powerful, CommonMark compliant, extensible Markdown processor for .NET

5.2K
Active
C#
React
#markdown-parser#csharp#dotnetcore

vmg/redcarpet

A safe and extensible Markdown parser written in C, useful for web applications and command-line tools.

5.1K
Experimental
C
Backend Frameworks
CLI Tools
React
#markdown-parser#html-conversion#extensibility

Yqnn/svg-path-editor

An online editor to create and manipulate SVG paths, built with TypeScript.

5.0K
Stable
TypeScript
Animation & Motion
Icons & Assets
React
#svg#svg-editor#svg-parser

Leonidas-from-XIV/node-xml2js

A CoffeeScript library for converting XML to JavaScript objects, useful for parsing and working with XML data in Node.js projects.

5.0K
Archived
CoffeeScript
API Frameworks
ORMs & Query Builders
Node
#xml#parsing#coffeescript

microsoft/tsdoc

A doc comment standard for TypeScript, providing a standardized way to document code.

4.9K
Stable
TypeScript
TypeScript
#documentation#standardization#code-quality

pegjs/pegjs

PEG.js is a parser generator for JavaScript that allows developers to build custom parsers for their projects.

4.9K
Archived
JavaScript
API Clients & Testing
CLI Tools
#parser-generator#javascript#peg

BurntSushi/toml

TOML parser for Golang with reflection.

4.9K
Active
Go
React
#parser#reflection#Golang

mailru/easyjson

A fast JSON serializer for Go, optimized for performance and code generation.

4.9K
Stable
Go
API Clients & Testing
API Frameworks
#json#serialization#performance

globalizejs/globalize

A JavaScript library for internationalizing and localizing web applications with official Unicode CLDR data.

4.8K
Stable
JavaScript
Frontend Frameworks
API Clients & Testing
React
#internationalization#localization#i18n
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