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
Tags4
React667 Python638 Javascript591 Rust485 Typescript408 Hacktoberfest308 PHP304 Nodejs280 Parser224 JSON205 Laravel203 Go192 Openapi79 HTTPS29 Javascript7
Sort:Used by Most Apps
Used by Most Apps Health Score Most Stars A-Z
Showing 21 of 5929 packages
Framework HTTPS Javascript Openapi Rust Clear all
93Health
Framework Cargo

Tokio

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

33,150
MIT
Used by 95
90Health
Framework PyPI

FastAPI

A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.

102,333
MIT
Used by 76
91Health
Framework Cargo

Tauri

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

111,069
Apache 2.0
Used by 39
92Health
Framework Cargo

axum

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

27,128
MIT
Used by 28
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
90Health
Framework Cargo

Actix Web

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

24,826
Other
Used by 9
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
86Health
Framework PyPI

Django Ninja

Fast, async-ready, OpenAPI-first REST framework built on Django and Python type hints

9,187
MIT
Used by 2
82Health
Framework Cargo

pgrx

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

4,778
MIT
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
90Health
Framework Cargo

Leptos

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

21,285
MIT
Used by 1
59Health
Framework Cargo

warp

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

10,367
MIT
Used by 1
84Health
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.

9,549
MIT
Used by 1
85Health
Framework Cargo

actix

A Rust actor framework for building concurrent, message-driven systems on top of Tokio.

9,242
Other
Used by 1
90Health
Framework Cargo

Rig

A Rust framework for building portable, modular LLM-powered applications and agents.

8,630
MIT
Used by 1
67Health
Framework Cargo

Extism

The framework for building with WebAssembly: load, run, and extend apps with wasm plugins.

5,758
BSD 3
Used by 1
56Health
Framework Cargo

tarpc

An async Rust RPC framework that defines services directly in code via a macro instead of a separate IDL, with pluggable transports and deadline propagation.

3,739
MIT
Used by 1
96Health
Framework Composer

api-platform/core

PHP framework for building hypermedia REST and GraphQL APIs from your models

2,574
MIT
Used by 1
61Health
Framework Cargo

LangChain Rust

Build LLM-powered applications in Rust with composable chains, agents, tools, and vector stores.

1,345
MIT
Used by 1
78Health
Framework Cargo

containerd-shim

Rust framework for building containerd runtime v2 shims with TTRPC, logging, and event plumbing built in

243
Apache 2.0
Used by 1

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