Best open-source TypeScript projects

Open-source, local-first all-in-one workspace combining docs, whiteboard canvas, and tables, positioned as an alternative to Notion and Miro.

Open-source, self-hostable AI workflow automation platform and no-code alternative to Zapier, with pieces exposed as MCP servers for LLMs.

A free, open-source, local-first personal finance app for envelope budgeting, with sync across devices.

A cross-platform desktop AI assistant that connects to major LLM providers and acts as an MCP client with a local knowledge base.

A local-first AI tutor that builds lessons and exercises from your goals, then grades the handwritten work you photograph on paper.

A typing practice web app that combines English word memorization with keyboard muscle-memory training for people who work on a keyboard.

A TypeScript web app that teaches English by having learners build sentences with conjunctions.

A transparent desktop pet plugin for DeepSeek Harness with animated idle behavior, balance display, work-status reactions, and optional standalone desktop windows.

An agent harness for Claude Code and Codex that adds multi-agent swarms, shared memory, task routing and cross-machine federation.

A Claude Code plugin that shows short replies by default, with phrases that expand in place when clicked.

An AI-assisted English learning project, centered on the Enjoy app that learns from video, ebooks and courses you choose.

Free, open-source desktop app for recording your screen and editing the result into polished product demos and walkthroughs.

Open-source API development ecosystem for building, sending and testing HTTP, GraphQL, WebSocket and other API requests, offered as web, desktop and CLI tools.

Self-hosted photo and video management app for backing up, browsing and searching your media, a Google Photos alternative.

Self-hosted, open-source PDF editing platform for editing, signing, redacting, converting and automating PDFs in the browser, desktop, or via API.

An MIT-licensed Claude agent skill that lets Claude Code, Claude Desktop and Claude.ai create and edit motion-graphics videos with Remotion.

A Claude Code skill that generates Motion.dev web animations in React, Next.js, Svelte and Astro, from natural-language requests.

A set of Agent Skills that give AI coding agents best-practice guidance for building videos with Remotion in React.

An agentic coding tool that runs in your terminal, reads your codebase, and handles coding tasks, code explanations, and git workflows through natural language.

A cross-platform React Native action sheet (bottom drawer) component for Android, iOS and Web with a flexible API for custom content.