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

56Health
Library Go

service

A Go library that installs, starts, stops, and runs any program as a native system service on Windows, Linux, and macOS.

4,852
Other
Used by 5
87Health
Library npm

pinyin-pro

Fast, high-accuracy Chinese-to-pinyin conversion library with tone, initial/final, and text-matching support.

4,750
MIT
Used by 5
67Health
Library Go

progressbar

A thread-safe, dependency-light progress bar and spinner library for Go CLI applications.

4,709
MIT
Used by 5
59Health
Library Composer

Cron Expression

PHP library for parsing CRON expressions and calculating run dates

4,682
MIT
Used by 5
40Health
Library npm

JavaScript-MD5

A zero-dependency JavaScript MD5 and HMAC-MD5 hashing implementation that runs identically in Node.js, browsers, and AMD module loaders.

4,548
MIT
Used by 5
62Health
Library PyPI

djangorestframework-simplejwt

A JSON Web Token authentication plugin for Django REST Framework, with token rotation, blacklisting, and pluggable signing built in.

4,335
MIT
Used by 5
55Health
Library PyPI

Flask-SQLAlchemy

The official SQLAlchemy integration for Flask, adding scoped sessions, multi-database binds, and Flask-aware model conventions.

4,304
BSD 3
Used by 5
61Health
Library Composer

DoctrineMigrationsBundle

Symfony bundle that integrates the Doctrine Migrations library for versioned database schema changes

4,298
MIT
Used by 5
52Health
Library Go

survey

Interactive, accessible command-line prompts for Go — select, input, confirm, and multi-select components for POSIX and Windows terminals.

4,099
MIT
Used by 5
49Health
Library PyPI

fake-useragent

Up-to-date user-agent string faker backed by a real-world browser usage database, bundled offline.

4,049
Apache 2.0
Used by 5
88Health
Library Composer

Symfony DomCrawler

A PHP component for navigating, filtering, and extracting data from HTML and XML documents.

4,026
MIT
Used by 5
91Health
Library Cargo

cpal

Low-level, cross-platform audio I/O library for Rust with a unified API over ALSA, WASAPI, CoreAudio, JACK, and more.

3,988
Apache 2.0
Used by 5
46Health
Library Go

structs

Reflection-based Go utilities for converting structs to maps, slices, and field-level metadata without hand-written boilerplate.

3,920
MIT
Used by 5
91Health
SDK PyPI

Pika

Pure Python RabbitMQ/AMQP 0-9-1 client library

3,888
BSD 3
Used by 5
53Health
Library npm

microdiff

A tiny, zero-dependency library for deep diffing objects and arrays with full TypeScript support.

3,875
MIT
Used by 5
78Health
Library Composer

league/oauth2-client

A framework-agnostic PHP client for building OAuth 2.0 login and API-authorization flows.

3,819
MIT
Used by 5
41Health
Library Go

gobreaker

A lightweight, thread-safe circuit breaker for Go that wraps any function call to stop cascading failures when a dependency starts failing.

3,708
MIT
Used by 5
64Health
Library PyPI

Flask-Login

User authentication and session management for Flask applications

3,679
MIT
Used by 5
64Health
Library Go

kingpin

A fluent, type-safe command-line flag and argument parser for Go, with nested subcommands and rich usage help.

3,567
MIT
Used by 5
88Health
Framework Composer

FrameworkBundle

The core bundle that wires Symfony's HTTP kernel, routing, DI, and console into a full-stack application

3,565
MIT
Used by 5
69Health
Library Go

go-pretty

A Go library for rendering pretty console tables, lists, progress bars, and styled text with deep customization.

3,556
MIT
Used by 5
84Health
Library Cargo

sqlparser

Extensible SQL lexer and parser for Rust, conforming to ANSI SQL:2011

3,470
Apache 2.0
Used by 5
93Health
Tool PyPI

coveragepy

The industry-standard code coverage tool for measuring which lines and branches your Python tests actually execute.

3,424
Apache 2.0
Used by 5
52Health
Library PyPI

PyOTP

Python library for generating and verifying TOTP/HOTP one-time passwords for 2FA

3,345
MIT
Used by 5

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