🏍 A fast JavaScript test framework

👾 The lightest signal library

Statistically rigorous benchmark runner for the web

⛱ Broadly scoped ecosystem & mono-repository of 202 TypeScript projects (and ~180 examples) for general purpose, functional, data driven development

🗃️ An in-memory JS database optimized for large scale storage on the frontend.

Parser Combinators in the TypeScript Type System

Type-Safe Errors for JS & TypeScript

Describe binary structures with full TypeScript support. Encode and decode into pure JavaScript objects.

TypeScript to C++ compiler.

Quick start with Compilets.

A virtual monitor for screen sharing

MutationObserver for CSS. Get notified when the computed value of a CSS property changes.

A plugin for TypeDoc that enables TypeScript API documentation to be generated in Markdown.

Work with yarn/npm packages locally like a boss.

Tiled scrollable window manager for MacOS

A toy interpreter implemented with TypeScript's type system (see type-toc folder).

A tiny (500b) utility to build JSON schema types.

An SWC implementation of the SolidJS Dom Expressions compiler

📦️ Continuous (Preview) Releases for your libraries!

WIP implementation of a Haskell-like Lisp in Racket

A hyper-optimized 1kb library to build fully type-safe parsers in TypeScript.

Dafny is a verification-aware programming language

Embeddable Postgres with real-time, reactive bindings.

In-memory Postgres for unit/E2E tests

quickly run tests in their own temporary, isolated, postgres databases

A visual tool to help you view and understand your ESLint Flat config.

Tsickle — TypeScript to Closure Translator

A General Theory of Reactivity

A library and language for building parsers, interpreters, compilers, etc.

Simple SVG lib with a focus on creative coding and generative art