







Public repository of the Micro QuickJS Javascript Engine
On the Coming Industrialisation of Exploit Generation with LLMs
Recently I ran an experiment where I built agents on top of Opus 4.5 and GPT-5.2 and then challenged them to write exploits for a zeroday vulnerability in the QuickJS Javascript interpreter. I adde…

Emscripten: an LLVM-to-JavaScript compiler
Although the performance of today's JavaScript engines is sufficient for most web applications, faster and more predictable runtimes could be desired for performance-critical web code. Therefore, we present Speedy.js, a cross-compiler that translates ...

Vite
A fast build tool for JavaScript apps. Vite has 30 repositories available. Follow their code on GitHub.
Original implementation of Javascript in CL
Thanks to a tweet from Tiago Charters de Azevedo, I learned today that Mozilla’s CVS tree still contains the original implementation of Javascript written in Common Lisp. I always found inter…

Introducing Bare: Actually run Javascript Everywhere - Pears
The Holepunch team has introduced Bare, a groundbreaking minimal JavaScript runtime designed for both desktop and mobile. Built to be fast, modular, and efficient, Bare revisits the original vision of Node.js by embracing modularity and universal compatibility.

ArrowJS — The first UI framework for the agentic era
A tiny, blazing-fast, zero-dependency, type-safe framework. No build step required. Isolate agent-generated UI inside WebAssembly sandboxes while rendering full inline DOM directly in your app — no iframes, no pre-defined components.


jose - npmx
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes


upm · A fast, tiny package manager for npm
Pure JS, tiny, zero dependencies. Try any package in your browser.

State of JS 2020
The annual survey about the latest trends in the JavaScript ecosystem.

Our newest project is taking flight: meet codename goose! 🪶 Today, we launched an open source on-machine AI Agent. It’s modular, works with your preferred LLM, and integrates seamlessly with developer tools and other software via MCP. Developers, check it out! block.github.io/goose/blog/2025/01/28/introdu…
Introducing codename goose
block.github.io