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Agent harness to make your slop code well-engineered and beautiful.

Record scripted browser demos as video

Agent skill that generates rich HTML pages or slide decks for diagrams, diff reviews, plan audits, data tables, and project recaps

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

Orchestration layer for coding agents (Claude Code, Codex)

Secure environments for developers and their agents

Dependency injection library for JavaScript and TypeScript in 5.1K. It is an extraction of the Angular's ReflectiveInjector which means that it's well designed, feature complete, fast, reliable and…

Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for buildi…

Parse, inspect, transform, and serialize content with syntax trees

Framework agnostic and headless rich text editor

⚡ Next-gen Web Extension Framework

JavaScript/TypeScript-native, low-boilerplate, object-capability RPC system

OpenMTP - Advanced Android File Transfer Application for macOS

Scan for React performance issues and eliminate slow renders in your app

22 prompt engineering techniques with hands-on Jupyter Notebook tutorials, from fundamental concepts to advanced strategies for leveraging LLMs.

JavaScript animation engine

BullMQ - Message Queue and Batch processing for NodeJS, Python, Elixir and PHP based on Redis

A lightweight message queue. Like AWS SQS and RSMQ but on Postgres.

🦋 A simple Promise to [error, data] catcher.

A proposal to bring ergonomic, inline error handling to JavaScript through a new try operator that always returns a Result.

React custom hook for hoverIntent

Primitives for building ridiculously type-safe event-based systems.

Gracefully handle Promises using async/await without try/catch.

WebRTC Implementation for TypeScript (Node.js), includes ICE/DTLS/SCTP/RTP/SRTP/WEBM/MP4

Window management made elegant.

Utilities for error handling in TypeScript

Fast, unstyled command menu React component.

A fast, accessible, and pretty command palette for React

A proposal to add signals to JavaScript.