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

85Health
Framework npm

Express

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

69,493
MIT
Used by 158
96Health
Framework PyPI

pytest

The Python testing framework that makes writing small tests easy and scales to complex functional test suites.

14,543
MIT
Used by 100
97Health
Framework npm

Electron

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

123,289
MIT
Used by 69
90Health
Framework npm

Hono

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

32,364
MIT
Used by 60
95Health
Framework PyPI

aiohttp

Asynchronous HTTP client and server framework for Python's asyncio, covering both API calls and building web/WebSocket services.

16,561
Apache 2.0
Used by 40
95Health
Framework PyPI

Transformers

State-of-the-art pretrained models for text, vision, audio, and multimodal inference and training.

166,736
Apache 2.0
Used by 38
92Health
Framework npm

Docusaurus

React-based static site generator for building fast, maintainable documentation websites.

66,349
MIT
Used by 36
92Health
Framework npm

NestJS

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

76,743
MIT
Used by 27
82Health
Framework Go

Bubble Tea

A Go framework based on The Elm Architecture for building terminal UIs, from simple prompts to full-window, high-performance TUI applications.

45,125
MIT
Used by 13
89Health
Framework Cargo

napi-rs

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

7,950
MIT
Used by 13
90Health
Framework npm

Mastra Core

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

28,377
Apache 2.0
Used by 8
81Health
Framework npm

grammY

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

3,757
MIT
Used by 6
92Health
Framework Go

Fiber

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

40,185
MIT
Used by 4
84Health
Framework npm

graphql-yoga

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

8,529
MIT
Used by 4
60Health
Framework Composer

nwidart/laravel-modules

Split large Laravel applications into self-contained, independently generated modules — each with its own routes, controllers, views, and migrations.

6,214
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.

37,567
MIT
Used by 3
71Health
Framework npm

@refinedev/core

Headless React meta-framework for building CRUD-heavy admin panels, dashboards, and internal tools fast.

35,731
MIT
Used by 3
96Health
Framework npm

aws-cdk

The core AWS CDK v2 construct library for defining cloud infrastructure as code and deploying it via CloudFormation.

12,911
Apache 2.0
Used by 3
68Health
Framework npm

nest-commander

nest-commander lets NestJS developers build command-line apps using the same decorators, DI, and modules as their web services.

485
MIT
Used by 3
94Health
Framework PyPI

Scrapy

A fast, high-level Python framework for crawling websites and extracting structured data at scale.

64,504
BSD 3
Used by 2
71Health
Framework npm

hapi

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

14,790
BSD 3
Used by 2
83Health
Framework npm

InversifyJS

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

290
MIT
Used by 2
91Health
Framework npm

Payload

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

44,992
MIT
Used by 1

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