Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Express
The fast, unopinionated, minimalist web framework for Node.js
Next.js
The React framework for production: file-based routing, server rendering, and Rust-powered builds.
Electron
Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js
Hono
A small, ultrafast web framework built on Web Standards that runs identically everywhere.
Astro
The web framework for building fast, content-driven websites with islands architecture.
NestJS
A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.
@apollo/server
Spec-compliant, production-ready GraphQL server for Node.js
napi-rs
Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required
LangGraph
A low-level JavaScript/TypeScript framework for building stateful, controllable LLM agents as graphs, with durable execution and human-in-the-loop.
Mastra Core
The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.
oclif Core
The Node.js framework that powers Salesforce CLI and Heroku CLI, providing flag parsing, help generation, and a plugin system for building CLIs.
grammY
The modern TypeScript framework for building Telegram bots on Node.js and Deno
Fiber
An Express-inspired Go web framework built on Fasthttp for zero-allocation, extreme-performance HTTP servers.
graphql-yoga
A fully-featured, spec-compliant GraphQL server built on the WHATWG Fetch API, running anywhere from Node to Cloudflare Workers.
botbuilder-js
The Node.js/TypeScript SDK for Microsoft Bot Framework — adapters, middleware, and channel integrations for building conversational bots.
CopilotKit
React hooks and providers for building AI copilots with shared state, generative UI, and human-in-the-loop workflows.
hapi
A config-driven Node.js framework for building HTTP APIs and web servers with built-in validation, caching, and auth.
InversifyJS
A lightweight, decorator-driven IoC container that brings SOLID-friendly dependency injection to TypeScript and JavaScript apps.
Payload
The Next.js-native, TypeScript CMS and application framework with instant REST, GraphQL, and Local APIs.
Medusa
Open-source headless commerce platform and framework for Node.js and TypeScript.
Extism
The framework for building with WebAssembly: load, run, and extend apps with wasm plugins.
tinyhttp
A tiny, ESM-only web framework that's an Express-compatible drop-in, with precompiled routing and a fraction of the dependencies.
@tryghost/api-framework
A composable request pipeline that runs Ghost's API controllers through validation, serialization, permissions, and query stages.
