Meriyah is a high-performance, fully compliant JavaScript parser that generates ESTree-compatible Abstract Syntax Trees (ASTs). Designed for speed and stability, it serves as an alternative to parsers like Acorn and Esprima.
A blazing fast 100% spec compliant, self-hosted javascript parser
Seafox is a high-performance ECMAScript parser written in JavaScript. It aims to be a fast and compliant parser for JavaScript, suitable for various tooling and analysis purposes.