Chevrotain

Grammars are written directly in JavaScript without a code generation phase, simplifying development and debugging, as highlighted in the key features section.

Optimized for blazing fast speed with built-in benchmarks, making it suitable for performance-critical parsing applications, as noted in the performance page link.

Supports LL(K) grammars natively and offers third-party plugins for LL(*), providing versatility in grammar design, as mentioned in the introduction.

Includes comprehensive documentation, sample grammars, an online playground, and a getting started tutorial, all listed in the documentation resources.