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

Kind2
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 SQL4
Sort:Used by Most Apps
Used by Most Apps Health Score Most Stars A-Z
Showing 15 of 5929 packages
Framework SDK SQL Parser JSON Clear all
62Health
Framework npm

Commander.js

The complete, battle-tested framework for building Node.js command-line interfaces.

28,412
MIT
Used by 94
91Health
Framework PyPI

FastAPI

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

102,676
MIT
Used by 78
75Health
Framework npm

yargs

The modern, pirate-themed command-line argument parser and command framework for Node.js

11,504
MIT
Used by 42
91Health
Framework npm

Fastify

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

37,205
MIT
Used by 25
92Health
Framework Go

urfave/cli

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

24,260
MIT
Used by 17
82Health
SDK PyPI

duckdb

The official Python client for DuckDB, an in-process analytical SQL database

189
MIT
Used by 14
87Health
Framework npm

oclif Core

The Node.js framework that powers Salesforce CLI and Heroku CLI, providing flag parsing, help generation, and a plugin system for building CLIs.

317
MIT
Used by 8
87Health
SDK npm

node-oracledb

Oracle's official Node.js driver for connecting JavaScript and TypeScript apps directly to Oracle Database, in pure JS or with an optional native client.

2,369
Other
Used by 6
53Health
SDK npm

@neondatabase/serverless

Neon's serverless PostgreSQL driver for JavaScript and TypeScript, built for edge and serverless runtimes using HTTP and WebSockets instead of raw TCP.

549
MIT
Used by 5
71Health
Framework npm

json-render

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

18,342
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

2,231
BSD 3
Used by 2
38Health
Framework npm

Clipanion

A type-safe, dependency-free CLI framework for building nested, typed command-line applications in TypeScript.

1,256
MIT
Used by 2
50Health
SDK PyPI

google-search-results

Python SDK for SerpApi to scrape and parse localized search results from Google, Bing, and more.

757
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
67Health
SDK PyPI

serpapi

The official Python client for SerpApi, returning structured search results from Google, Bing, and more.

174
MIT
Used by 1

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