#headless

The open-source alternative to Claude Cowork (powered by opencode)

Headless Chrome .NET API

Headless, composable primitives for building accessible UI components in Angular.

Pa11y is your automated accessibility testing pal

High-performance browser automation bridge and multi-instance orchestrator with advanced stealth injection and real-time dashboard.

Sanity App SDK

Shopware Frontends is a framework for building custom, headless storefronts with Shopware 6.

🧿 Bolt core

Lightpanda: the headless browser designed for AI and automation

Headless Chat SDK to build your own chat widget against Dynamics 365 Omnichannel Services.

📊 APIs for web automation, testing, and bypassing bot-detection.

Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

GoodData Cloud Python SDK

A zero-config, fast and small virtual list and grid component for React, Vue, Solid, Svelte and Angular.

Prismatic's library for embedding Prismatic.io into your application.

Sanity command line tool (CLI)

Content migration toolkit for Sanity.io

Browser automation CLI for AI agents

0️⃣ Composable UI engine for Vue. Build complex interfaces with reusable state, logic, and primitives—without being locked into components or styles.

Mermaid.js, but headless, in Rust.

Open-source SDKs / toolkit for seamless integration and development of Shopify Hydrogen themes and headless commerce solutions.

Simple, fast primitives for building pdf viewers. maintained by @anaralabs

The headless Chrome/Chromium driver on top of Puppeteer. Take screenshots, generate PDFs, extract text and HTML with a production-ready API.

OpenSheetMusicDisplay renders sheet music in MusicXML format in browsers and headless with NodeJS. Based on VexFlow, OSMD is brought to you by PhonicScore.com.

Infrastructure for coding agents

The complete toolkit for building AI agents in JavaScript. Lightweight core, React & Terminal UIs, autonomous runtime, tools, skills, memory, RAG and observability. Plug-and-play from chat UI to full agents.

TYPO3 Headless JSON API providing content for PWA application (e.g. javaScript apps like nuxt-typo3)

in2publish Community Version

Modern, performant, optimized for DX/AX. Develop powerful apps, clouds & framework-agnostic libraries—faster.

Zorilla is a modular plugin framework that extends Puppeteer and Playwright with additional functionality through a clean plugin architecture. Build powerful browser automation with composable plugins for stealth mode, captcha solving, ad blocking, and much more.