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The TypeScript AI agent framework. ⚡ Assistants, RAG, observability. Supports any LLM: GPT-4, Claude, Gemini, Llama.

Advanced fetch client builder

Human-friendly regular expression builder with English-like syntax.

The Query Builder component for React

A React Rich Text Editor that's block-based (Notion style) and extensible. Built on top of Prosemirror and Tiptap.

An open-source runtime for composable workflows. Great for AI agents and CI/CD.

A structured clone equivalent able to encode and decode as a buffer.

Auth tokens for a distributed, user-controlled world

Transmit data with sound using Web Audio -- Javascript binding for libquiet

Store key-value data encrypted (biometric passkey protected), locally in the client

Protect local-first app data with encryption/decryption key secured in Webauthn (biometric) passkey

Simple key-value storage API backed by various client storage mechanisms

Skip is a framework for building reactive services

Taking Keyboards to the Final Frontier

@msgpack/msgpack - MessagePack for JavaScript / msgpack.org[ECMA-262/JavaScript/TypeScript]

🤖 Fully typesafe Router for React (and friends) w/ built-in caching, 1st class search-param APIs, client-side cache integration and isomorphic rendering.

Differential Dataflow & Incremental View Maintenance for JavaScript

collection of card game rules in plain text

One way shared/worker async bindings.

A standard interface for TypeScript schema validation libraries

A modern logging library for Javascript that routes logs to various logging libraries, cloud providers, and OpenTelemetry while providing a fluent API for specifying log messages, metadata and errors.

A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.

WebKit's positions on emerging web specifications

🔩 Serverless for stateful backends

Termo is a simple terminal emulator for the browser. It is a wrapper on top of xterm