Best open-source TypeScript projects

A JavaScript library for building multiplayer web apps where browsers connect peer-to-peer over WebRTC without running your own server.

Web UI for managing cron jobs with human-readable schedules, live logs, and per-job execution history.

A self-hosted personal AI assistant that runs on your own devices and answers you through messaging apps like WhatsApp, Telegram, Slack and Discord.

Generates interactive, easy-to-read ER diagrams from your database schema, with zero-config setup via a web URL or CLI.

A client-side web app for drawing ASCII diagrams in the browser, usable at asciiflow.com.

A Next.js web app that generates full comic books from prompts using AI for stories, characters, and panels.

A high-precision web audio player that keeps music in sync across multiple browser devices, with spatial audio controls.

Open-source headless CMS that edits Markdown, MDX, JSON and YAML content stored in your own Git repository, with a GraphQL API.

Reads YouTube live chat messages aloud in real time using ElevenLabs AI voices, with a web dashboard for configuration.

Browser extension that syncs native bookmarks across browsers and devices to your own storage such as Nextcloud, WebDAV, Git, or Google Drive.

Self-hosted web GUI for ImageMagick with one-click AI background removal, batch processing, and a live editor, deployed via Docker.

A multi-track video editor that runs entirely in the browser, with local media storage, WebGPU effects, and in-browser export.

A Windows desktop app built with Electron that debloats and optimizes Windows with reversible tweaks, cleaners, utilities and a DNS manager.

A local-first desktop AI agent that sees your screen, controls apps and the browser, works on files and code, and can be driven from a terminal, desktop app, or Telegram.

An open source AI logo generator built on FLUX models via Together AI, offering free, account-less logo creation and brand kit export.

Open-source backend platform for building apps, with Auth, Databases, Storage, Functions, Messaging, Realtime and Hosting, self-hostable via Docker.

A TypeScript re-implementation of the ADB client that runs in Chromium browsers, Node.js and Electron, connecting to Android devices over WebUSB.

A VS Code extension that puts Claude Code, Codex and other coding agents in one conversation, so they can give separate opinions, hand off work and debate solutions.

A terminal-based AI pentesting agent that runs security tools, tracks engagement state, and coordinates specialist subagents.

Open-source KVM over IP hardware and firmware for remotely viewing and controlling a computer's screen, keyboard and mouse.