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 Hashing19 Java18 Javascript7
Sort:Used by Most Apps
Used by Most Apps Health Score Most Stars A-Z
Showing 10 of 5929 packages
Framework Javascript Java Hashing JSON Clear all
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 npm

Fastify

A fast and low-overhead web framework for Node.js, built around schema-based validation and a plugin architecture

37,137
MIT
Used by 25
93Health
Framework Go

urfave/cli

A declarative, dependency-free Go package for building fast, friendly command-line tools.

24,235
MIT
Used by 17
85Health
Framework npm

Capacitor

Build native iOS, Android, and Progressive Web Apps from a single web codebase

16,662
MIT
Used by 7
87Health
Framework PyPI

PySpark

Python API for Apache Spark, the unified engine for large-scale distributed data processing

43,997
Apache 2.0
Used by 4
68Health
Framework npm

json-render

The Generative UI framework: AI builds real, reliable interfaces from prompts, constrained to components you define.

16,157
Apache 2.0
Used by 2
94Health
Framework PyPI

Apache Beam

A unified programming model for defining batch and streaming data-parallel pipelines

8,662
Apache 2.0
Used by 2
53Health
Framework PyPI

Flask-RESTX

Flask extension for building fully documented REST APIs with Swagger/OpenAPI out of the box

2,234
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
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

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