Ahead of Time Fetch for speeding up SPAs

Drop-in video player component

The missing integration layer for AI agents. Let them call any OpenAPI / MCP / GraphQL / custom js functions in secure environment.

transformers.js inference server

Exact speculative decoding on Apple Silicon, powered by MLX.

Fast, accurate & comprehensive text measurement & layout

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

Local GUI and Data Canvas as a DuckDB extension

MapleStory Client built on Wasm playable on the web

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

MLX-VLM is a package for inference and fine-tuning of Vision Language Models (VLMs) on your Mac using MLX.

Unsloth Studio is a web UI for training and running open models like Gemma 4, Qwen3.6, DeepSeek, gpt-oss locally.

Create polished demo videos without editing skills. Mac/Windows/Linux

Official Vercel Chat SDK adapter for Resend.

The agent that grows with you

Mock everything your AI app talks to — LLM APIs, MCP, A2A, AG-UI, vector DBs, search. One package, one port, zero dependencies.

Extract brand assets (logos, colors, backdrops) from any website; open source alternative to Brand.dev

Google Workspace CLI — one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, and more. Dynamically built from Google Discovery Service. Includes AI agent skills.

A unified TypeScript SDK for building chat bots across Slack, Microsoft Teams, Google Chat, Discord, and more.

Build ultra fast, tiny, and cross-platform desktop apps with Typescript.

A Chrome Extension that allows developers to inspect, monitor, and execute tools exposed via the experimental `navigator.modelContextTesting` Web API.

Visual image processing pipeline editor

VSCode theme based off the easemate IDE and Jetbrains islands theme

The most atomic way to train and inference a GPT in pure, dependency-free JavaScript. This repository covers the complete algorithm. Everything else is just efficiency. Inspired by Karpathy's micro…

Desktop idea capture with on-device voice transcription and semantic search. Fully offline.

ONNX.js: run ONNX models using JavaScript

Open-Source Chrome extension for AI-powered web automation. Run multi-agent workflows using your own LLM API key. Alternative to OpenAI Operator.