Prettier is an opinionated code formatter.

🐠 Babel is a compiler for writing next generation JavaScript.

Transforming styles with JS plugins

A PHP parser written in PHP

Instant Upgrades and Automated Refactoring of any PHP 5.3+ code

js2flowchart - a visualization library to convert any JavaScript code into beautiful SVG flowchart. Learn other’s code. Design your code. Refactor code. Document code. Explain code.

markdown processor powered by plugins part of the @unifiedjs collective

ECMAScript parsing infrastructure for multipurpose analysis

A web tool to explore the ASTs generated by various parsers.

📚 《Go语言定制指南》(原名：Go语法树入门/开源免费图书/Go语言进阶/掌握抽象语法树/Go语言AST)

Java 1-17 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

GoGoCode is a transformer for JavaScript/Typescript/HTML based on AST but providing a more intuitive API.

The ESTree Spec

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

TypeScript Compiler API wrapper for static analysis and programmatic code changes.

☔️ interface for parsing, inspecting, transforming, and serializing content through syntax trees

📔 The missing documentation tool for your Angular, Nest & Stencil application

⚡A CLI tool for code structural search, lint and rewriting. Written in Rust

A parser library for Go

ESDoc - Good Documentation for JavaScript