very good whiteboard infinite canvas SDK

Visual Studio Code

An Open Source Machine Learning Framework for Everyone

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

Promise based HTTP client for the browser and node.js

The Developer Platform for Modern APIs

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many mo…

From the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

Workflow SDK: Build durable, reliable, and observable apps and AI Agents in TypeScript

Development at the speed of light

💌 Build and send emails using React

🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.

Turn your software into a business.

Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞

a fast, scalable, multi-language and extensible build system

The React Framework

The Open Source Firebase Alternative with GraphQL.

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

A collection of essential TypeScript types

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

Declarative routing for React

The open-source reactive database for app developers

A browser based Pokémon fangame heavily inspired by the roguelite genre.

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

A reference implementation of GraphQL for JavaScript

Build system optimized for JavaScript and TypeScript, written in Rust

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

Jitsu is an open-source Segment alternative. Fully-scriptable data ingestion engine for modern data teams. Set-up a real-time data pipeline in minutes, not days

AI-powered development workspaces with reusable components, architectural clarity and zero overhead.

Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.