Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

86Health
Framework npm

Express

The fast, unopinionated, minimalist web framework for Node.js

69,454
MIT
Used by 158
97Health
Framework npm

Electron

Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js

123,052
MIT
Used by 68
90Health
Framework npm

Hono

A small, ultrafast web framework built on Web Standards that runs identically everywhere.

32,186
MIT
Used by 60
93Health
Framework npm

NestJS

A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.

76,663
MIT
Used by 27
91Health
Framework Go

Echo

A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.

32,705
MIT
Used by 13
90Health
Framework Cargo

napi-rs

Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required

7,939
MIT
Used by 13
88Health
Framework npm

Mastra Core

The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.

28,036
Apache 2.0
Used by 8
95Health
Framework npm

oidc-provider

Certified OAuth 2.0 and OpenID Connect authorization server you mount into your own Node.js app.

3,810
MIT
Used by 7
78Health
Framework npm

grammY

The modern TypeScript framework for building Telegram bots on Node.js and Deno

3,743
MIT
Used by 6
92Health
Framework Go

Fiber

An Express-inspired Go web framework built on Fasthttp for zero-allocation, extreme-performance HTTP servers.

40,158
MIT
Used by 4
80Health
Framework npm

graphql-yoga

A fully-featured, spec-compliant GraphQL server built on the WHATWG Fetch API, running anywhere from Node to Cloudflare Workers.

8,531
MIT
Used by 4
52Health
Framework npm

botbuilder-js

The Node.js/TypeScript SDK for Microsoft Bot Framework — adapters, middleware, and channel integrations for building conversational bots.

724
MIT
Used by 4
92Health
Framework npm

CopilotKit

React hooks and providers for building AI copilots with shared state, generative UI, and human-in-the-loop workflows.

37,348
MIT
Used by 3
68Health
Framework npm

hapi

A config-driven Node.js framework for building HTTP APIs and web servers with built-in validation, caching, and auth.

14,792
BSD 3
Used by 2
84Health
Framework npm

InversifyJS

A lightweight, decorator-driven IoC container that brings SOLID-friendly dependency injection to TypeScript and JavaScript apps.

289
MIT
Used by 2
92Health
Framework npm

Payload

The Next.js-native, TypeScript CMS and application framework with instant REST, GraphQL, and Local APIs.

44,738
MIT
Used by 1
94Health
Framework npm

Medusa

Open-source headless commerce platform and framework for Node.js and TypeScript.

36,302
MIT
Used by 1
86Health
Framework npm

tinyhttp

A tiny, ESM-only web framework that's an Express-compatible drop-in, with precompiled routing and a fraction of the dependencies.

2,902
MIT
Used by 1
64Health
Framework npm

@tryghost/api-framework

A composable request pipeline that runs Ghost's API controllers through validation, serialization, permissions, and query stages.

37
MIT
Used by 1

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers