Recursive descent parser generator

Online regression via stochastic gradient descent (SGD).

Incrementally perform binary classification using stochastic gradient descent (SGD).

A recursive-descent parser generation tool

A lightweight JavaScript utility for computing accurate font metrics, such as x-height, cap-height, ascent and descent.

Gradient descent for your agent memory - analyzes past agent session transcripts and proposes evidence-backed edits to AGENTS.md / CLAUDE.md

A Typescript library for interacting with the Descent Protocol

A Typescript library for interacting with the Descent Protocol

Pi-native extension: gradient descent for your AGENTS.md — evidence-backed, human-gated (inspired by backpass)

(Deprecated: use apg-js instead.) An ABNF Parser Generator - generates recursive-descent parsers from grammars written in a superset of Augmented Backus-Naur Form (ABNF)

Recursive descent parser generator. Define your grammar in pure Javascript.

General-purpose recursive descent parser and evaluator

OData expression parsers — $filter and $expand tokenizer and recursive descent parsers producing typed ASTs. Inspired by Apache Olingo's UriParser.

Declarative numerical optimization for JavaScript (ESM): Nelder-Mead, gradient descent, momentum, RMSProp, Adam

Recursive descent parser generator. Define your grammar in pure Javascript.

Module to iterate over a numerically function to Gradient Descent direction

Recursive descent parser

dependency-free tokenizer and recursive-descent parser for html`` templates, producing a located, recoverable AST; shared by the compiler and the TypeScript plugin

Recursive descent parser combinators in JavaScript

A zero-dependency, pure-JS Postgres-subset SQL engine. Tables built at runtime from ingested data; tokenizer + recursive-descent parser + evaluator covering joins, CTEs, set ops, subqueries, aggregates with FILTER, CASE, window functions, and a scalar-fun