Generate interesting and well balanced species counterpoint (music!)

Easy API module for Guardian4

Loads a ANTLR4 grammar file and compiles it to JavaScript.

Check the signature of a file using the WinVerifyTrust API

Runtime-composable pushdown parser: scanner primitives (KMP Match, Any/Not char classes, ordered-choice Race), declarative grammar DSL, in-stream aggregation, and meta-language embedding.

A cool package for simulate your iOS devices as beacon

Use locks with TTLock platform on Homebridge.

Verification gates for AI-written code - re-prove an agent's fix before you trust it.

F5 Framework - Enterprise Spec-Driven Development Toolkit with BA/SRS capabilities

A lightweight, zero-dependency TypeScript library to detect chord names from notes.

JS Sandbox

Highlight code blocks with prism

A package to simulate your mobile devices as iBeacons

Smooth Cornu (Euler-spiral / Spiro) interpolating splines through points — vanilla JS + React, with SVG, Canvas, text rendering, and animation.

draw sheet music on browser using svg

A simple winston logger that is configured with some niceties such as listening for a SIGUSR2 change log levels

Utils

Using interactive command line to quickly create an ANTLR4 project.

RustChain Proof-of-Antiquity Miner — Mine RTC tokens by proving real vintage hardware

Output a video file from screenshot frames within a Chrome DevTools JSON trace file.