Context-free grammar Packages

Takes a context-free grammar and converts it into a decision-making graph. Can produce interactive Guides which generate valid sentences from the grammar.

EBNF to Railroad diagram

Create scientific papers on the fly: SciGen brought to the browser and to Node.

Implementations of the grammars of several programming languages, including LISP, Scheme, Prolog, and the Lambda Calculus.

Create music using a generative music grammar.

Monadic bottom-up parser combinator library.

TypeScript type information for thaw's interpreter code

Convert human readable text to executable JS

Defines and generates parsers from composable grammar definitions. Includes advanced features like lexer-free parsing, selective packrat memoization and static analysis.