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

78Health
Library Go

go-flags

A reflection-based command-line option parser for Go that turns struct field tags into fully documented flags, subcommands, and INI-file configuration.

2,693
BSD 3
Used by 2
65Health
Tool PyPI

daphne

The ASGI HTTP, HTTP/2, and WebSocket server that powers Django Channels.

2,688
BSD 3
Used by 2
63Health
Library Composer

Laravel Sitemap

Generate XML sitemaps for a Laravel app by crawling it or building URLs manually

2,619
MIT
Used by 2
89Health
Library Cargo

zerocopy

Zero-cost, safe conversions between Rust types and raw byte sequences via derivable traits.

2,605
Other
Used by 2
96Health
SDK PyPI

supabase-py

The official Python client for Supabase, wrapping Postgres, Auth, Storage, Edge Functions, and Realtime in one typed SDK.

2,597
MIT
Used by 2
85Health
Library Composer

Symfony Monolog Bridge

Integrates the Monolog logging library with Symfony components and services.

2,583
MIT
Used by 2
90Health
Library npm

vis-timeline

Interactive JavaScript timeline and Graph2D visualization library for displaying, editing, and navigating time-based data.

2,567
Other
Used by 2
79Health
SDK Composer

Laravel Cashier (Stripe)

Fluent Laravel interface to Stripe subscription billing, invoicing, and coupons

2,548
MIT
Used by 2
95Health
Library PyPI

Autobahn|Python

WebSocket and WAMP protocol implementation for Python, running natively on both Twisted and asyncio.

2,541
MIT
Used by 2
64Health
Library PyPI

deepdiff

Deep difference, search, and hashing for any nested Python object, with deltas you can serialize and replay.

2,534
MIT
Used by 2
76Health
Library PyPI

Motor

MongoDB's official non-blocking Python driver for asyncio and Tornado applications.

2,526
Apache 2.0
Used by 2
84Health
Library Go

mpb

A concurrency-safe Go library for rendering multiple progress bars in terminal applications, with dynamic totals and pluggable decorators.

2,513
Other
Used by 2
59Health
SDK npm

node-google-spreadsheet

A TypeScript wrapper for the Google Sheets API with row-based and cell-based access, flexible auth, and worksheet management.

2,495
MIT
Used by 2
71Health
Library PyPI

django-simple-history

Automatically tracks every create, update, and delete on your Django models, with a full admin UI to browse, diff, and revert history.

2,463
BSD 3
Used by 2
86Health
Framework npm

workflow

Durable, resilient workflow execution for TypeScript, with automatic retries, persistence, and built-in observability.

2,453
Apache 2.0
Used by 2
54Health
Library Composer

Prism

A unified, fluent Laravel interface for working with large language models across every major AI provider.

2,426
MIT
Used by 2
66Health
Library npm

vue-fontawesome

Official Vue 3 component for rendering Font Awesome icons as accessible, styleable inline SVGs.

2,404
MIT
Used by 2
67Health
Library Composer

chillerlan/php-qrcode

PHP library for generating and reading QR codes with a user-friendly API

2,391
Apache 2.0
Used by 2
44Health
Library npm

Convict

Schema-driven configuration management for Node.js with built-in validation

2,375
Apache 2.0
Used by 2
94Health
Library Composer

NelmioApiDocBundle

Generate OpenAPI and Swagger documentation for your Symfony REST API from PHP attributes.

2,371
MIT
Used by 2
49Health
Library Go

base64Captcha

A flexible Go library for generating digit, string, math, Chinese-character, and audio CAPTCHAs encoded as base64 strings.

2,368
Apache 2.0
Used by 2
61Health
Library Cargo

ash

Lightweight, type-safe Rust bindings for the Vulkan graphics and compute API, generated straight from the Vulkan spec.

2,356
Other
Used by 2
60Health
SDK npm

Obsidian API

Official TypeScript type definitions for building Obsidian plugins

2,335
MIT
Used by 2
56Health
Tool Go

gnostic

A command-line compiler that converts OpenAPI and Google Discovery API descriptions into typed Protocol Buffer models.

2,307
Apache 2.0
Used by 2

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers