Best open-source TypeScript projects

An MCP server that lets AI agents reverse engineer native binaries, JavaScript/Electron apps, .NET assemblies, websites and more, with evidence for each finding.

A local-first, open-source AI design agent workspace where teams create prototypes, websites, decks, images and videos with coding agents.

Open-source AI platform that turns any topic or document into an interactive classroom with AI teachers and classmates.

Open-source social media scheduling and management platform for planning, publishing, and analyzing posts across many social networks.

A toolkit that lets AI coding agents clone a viral video into an editable, re-runnable video workflow with swappable footage, captions, and B-roll.

A Claude Code and Codex agent skill that builds cinematic product promo videos in Remotion from your own screenshots and copy.

Open-source design editor that opens Figma (.fig) and .pen files, with built-in AI tools and a headless Vue SDK.

An open-source browser extension that shows bilingual webpage translations alongside the original text, with selection translation and AI reading help.

Apache Maka (Incubating) is an agent workspace for running AI coding tasks locally, with a full append-only record of every model message, tool call and permission decision.

Structured, verifiable AI-DLC software-delivery workflows that run as steering rules inside AI coding assistants like Claude Code, Kiro, Codex, and Cursor.

WebGPU shader effects packaged as drop-in components for React, Vue, Svelte, Solid and plain JavaScript, with a visual editor that exports code.

Self-hosted AI assistant and persistent bot platform where you choose the model and sandbox, available on web, desktop, iPhone and Android.

Open-source chat interface where an AI agent answers questions with text, native components, or custom interactive UI such as charts, calculators and maps.

Local-first AI e-book reader for desktop and mobile, with RAG chat, semantic search, highlights, TTS and WebDAV sync.

A React and Next.js cursor animation library that provides cursor-following effects for web pages, distributed as copy-in components.

A compiler-like experiment that converts ordinary JavaScript control flow into an exact, differentiable neural network built from matrix multiplication and ReLU.

Open-source local audio and music studio for macOS and Windows that runs TTS, voice cloning and AI songs fully offline.

A local-first data workspace that connects your company's databases, SaaS tools and files into one ontology you can query, running on your own computer.

A desktop AI-native video creation workspace where you connect ideas, models and assets on a free-form canvas, with an agent taking part in the workflow.

An open-source desktop studio that uses an AI agent to help you design, build, playtest, and publish games from one app, bring your own model key.