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

88Health
Library npm

conventional-changelog

Generates changelogs and release notes straight from your git commit history using conventional-commits presets.

8,522
MIT
Used by 3
77Health
Library npm

sockjs-client

Browser WebSocket emulation library that automatically falls back across streaming and polling transports for reliable realtime connections.

8,506
MIT
Used by 3
88Health
Library Composer

Symfony Finder

Find files and directories through an intuitive, chainable fluent interface in PHP.

8,432
MIT
Used by 3
48Health
Framework Go

GoConvey

Behavior-driven testing for Go with nested specs, rich assertions, and a live browser results UI.

8,399
MIT
Used by 3
87Health
Tool PyPI

django-debug-toolbar

A configurable panel of SQL queries, request timing, cache calls, and template data injected into every page for debugging Django apps.

8,379
BSD 3
Used by 3
94Health
Library npm

intl-tel-input

A JavaScript library that turns a plain text field into a country-aware phone number input, with official React, Vue, Angular, and Svelte components.

8,256
MIT
Used by 3
89Health
Framework Composer

Symfony HttpKernel

A structured, event-driven process for converting an HTTP Request into a Response in PHP.

8,104
MIT
Used by 3
56Health
Library Go

expr

A fast, type-safe expression language and evaluation engine embeddable directly in Go programs.

8,054
MIT
Used by 3
79Health
Library Composer

guzzlehttp/psr7

A full PSR-7 HTTP message implementation with stream decorators, URI helpers, and query-string parsing.

7,931
MIT
Used by 3
84Health
Library PyPI

OpenTelemetry Instrumentation for Anthropic

OpenTelemetry auto-instrumentation for the Anthropic Python SDK, tracing prompts and completions

7,503
Apache 2.0
Used by 3
52Health
SDK Go

Elastic

A fluent, idiomatic Go client for Elasticsearch 7.x with cluster sniffing, retries, and a fully typed query DSL.

7,437
MIT
Used by 3
71Health
Framework npm

Turbo

The speed of a single-page application without writing custom JavaScript, by sending HTML over the wire.

7,403
MIT
Used by 3
43Health
Library Composer

fideloper/proxy (Laravel Trusted Proxies)

Configures Laravel's trusted proxies so apps behind a load balancer get correct URLs and sessions

7,304
MIT
Used by 3
43Health
Library npm

es6-promise

Lightweight, spec-compliant Promise/A+ polyfill for pre-ES6 environments

7,247
MIT
Used by 3
75Health
Library PyPI

marshmallow

An ORM/framework-agnostic Python library for converting complex objects to and from native datatypes, with built-in validation.

7,246
MIT
Used by 3
43Health
Library npm

node-bunyan

A simple and fast JSON logging library for Node.js services, paired with a CLI for pretty-printing structured logs.

7,208
MIT
Used by 3
52Health
Framework PyPI

Flask-RESTful

A lightweight extension for Flask that adds Resource-based routing, request parsing, and output formatting for building REST APIs.

6,906
BSD 3
Used by 3
48Health
Library npm

JSEncrypt

A tiny, zero-dependency JavaScript library for OpenSSL RSA encryption and key generation

6,807
MIT
Used by 3
73Health
Library npm

config

Hierarchical configuration management for Node.js apps, with environment-specific overrides and multi-format file support.

6,430
MIT
Used by 3
53Health
Library npm

PptxGenJS

Build PowerPoint presentations in JavaScript from Node.js, React, Electron, or the browser without needing PowerPoint installed.

6,301
MIT
Used by 3
61Health
Library PyPI

fastapi-users

Ready-to-use, fully customizable user registration, authentication, and management for FastAPI applications.

6,256
MIT
Used by 3
88Health
Library npm

Loro

High-performance CRDT library that makes JSON data collaborative and version-controlled

6,242
MIT
Used by 3
76Health
Library PyPI

Jedi

Static analysis library for Python powering autocompletion, goto, refactoring, and reference search across editors and IDEs

6,184
Other
Used by 3
74Health
Library Go

Pebble

A high-performance, RocksDB/LevelDB-inspired embedded key-value store written in pure Go for CockroachDB and other Go applications.

6,064
BSD 3
Used by 3

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