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

Kind1
Library4824 SDK549 Tool342 Framework214
Category
Utilities Ids Helpers1293 Serialization Data Formats487 UI Component Libraries383 Cli Terminal323 Authentication Authorization289 Cryptography Hashing259 Web Frameworks API Servers246 Build Tools Bundlers227 Image Media Processing213 Cloud Sdks200 Database Drivers Clients200 Async Concurrency Runtimes194
Tags3
React667 Python639 Javascript591 Rust485 Typescript408 Hacktoberfest308 PHP304 Nodejs280 Parser224 JSON204 Laravel203 Go192 Firebase2
Sort:Used by Most Apps
Used by Most Apps Health Score Most Stars A-Z
Showing 32 of 5929 packages
Framework Firebase Nodejs Rust Clear all
85Health
Framework npm

Express

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

69,493
MIT
Used by 158
95Health
Framework Cargo

Tokio

The async runtime powering most of Rust's networked, concurrent, and I/O-bound applications.

33,257
MIT
Used by 96
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
91Health
Framework Cargo

Tauri

Build tiny, fast, and secure desktop and mobile apps with a Rust backend and a web frontend.

111,435
Apache 2.0
Used by 42
92Health
Framework Cargo

axum

Ergonomic and modular HTTP routing and request-handling framework for Rust, built on Tokio, Hyper, and Tower.

27,254
MIT
Used by 28
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
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
91Health
Framework Cargo

Actix Web

A powerful, pragmatic, and extremely fast web framework for Rust

24,846
Other
Used by 9
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
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
52Health
Framework Cargo

Rocket

An async web framework for Rust that uses type-safe macros for routing, request guards, and fairings to catch invalid requests before your handlers run.

25,782
Other
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
86Health
Framework Cargo

pgrx

A Rust framework for building safe, native PostgreSQL extensions without writing C.

4,786
MIT
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
93Health
Framework npm

Medusa

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

36,493
MIT
Used by 1
89Health
Framework Cargo

Leptos

Full-stack, isomorphic Rust web framework built on fine-grained reactivity for fast, declarative UIs.

21,331
MIT
Used by 1
58Health
Framework Cargo

warp

A composable, filter-based web server framework for Rust built on hyper and Tokio.

10,373
MIT
Used by 1
85Health
Framework Cargo

Fyrox

A feature-rich, easy-to-use 2D and 3D game engine written in Rust, with a full scene editor - like Godot, but in Rust.

9,568
MIT
Used by 1

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