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

46Health
Library Cargo

nanoid (Rust)

A tiny, secure, URL-friendly, unique string ID generator for Rust

619
MIT
Used by 2
45Health
Library PyPI

starlette-context

Store and access per-request context data anywhere in a Starlette or FastAPI app.

607
MIT
Used by 2
52Health
Library npm

plist.js

Parses and builds Apple property lists in XML, binary, and OpenStep formats for Node.js and browsers.

606
MIT
Used by 2
37Health
Library npm

react-qrcode-logo

React component and headless API for rendering customizable QR codes with an embedded logo.

602
MIT
Used by 2
30Health
Tool npm

wtfnode

A debugging utility that reveals exactly which open handles and timers are keeping a Node.js process from exiting.

600
Other
Used by 2
64Health
Library Composer

PHP User Agent Parser

Lightning-fast, minimalist PHP parser that turns User-Agent strings into browser and platform.

598
MIT
Used by 2
56Health
Library npm

crypto-random-string

Generate cryptographically strong random strings for IDs, slugs, salts, and secrets

591
MIT
Used by 2
80Health
Library Go

dskit

A modular Go toolkit of production-hardened building blocks for distributed systems, extracted from Grafana Labs' own database projects.

586
Apache 2.0
Used by 2
92Health
Library npm

Rich Text HTML Renderer

Converts Contentful Rich Text documents into clean, customizable HTML strings.

583
MIT
Used by 2
42Health
Library PyPI

docx2txt

A pure-Python utility to extract text and images from Microsoft Word .docx files.

583
MIT
Used by 2
64Health
Library PyPI

hf_transfer

Rust-powered Python library for maxing out download and upload speeds to the Hugging Face Hub.

582
Apache 2.0
Used by 2
35Health
Library npm

express-async-handler

A tiny wrapper that catches async errors in Express route handlers and forwards them to next().

581
MIT
Used by 2
73Health
Library Composer

SocialiteProviders: Google

Google OAuth2 provider for Laravel Socialite, part of the community SocialiteProviders collection

580
MIT
Used by 2
40Health
Library Go

go-tree-sitter

Go bindings for tree-sitter with prebuilt parsers for 40+ languages, for building fast syntax trees from source code.

571
MIT
Used by 2
41Health
Library npm

koa-logger

Development-style request logging middleware for Koa, printing colorized method, status, timing, and size for every HTTP request.

560
MIT
Used by 2
50Health
Library npm

ngx-device-detector

Angular library for detecting device type, browser, and OS from the user agent, exposed as a reactive signal.

560
MIT
Used by 2
76Health
Tool npm

smee-client

A CLI and Node client that forwards webhooks from smee.io to your local development server.

560
Other
Used by 2
34Health
Library PyPI

coloredlogs

Colored, human-friendly terminal output for Python's built-in logging module.

557
MIT
Used by 2
41Health
Tool npm

handlebars-loader

A webpack loader that compiles Handlebars templates into requireable JS functions with automatic partial and helper resolution.

557
MIT
Used by 2
81Health
SDK npm

zapier-platform-core

The runtime SDK every Zapier CLI integration depends on to bridge Lambda-hosted developer code with the Zapier platform.

557
Other
Used by 2
81Health
Library npm

PostalMime

Zero-dependency email (RFC822/MIME) parser for Node.js, browsers, and serverless

551
Other
Used by 2
56Health
Library Go

pglogrepl

A Go library for speaking PostgreSQL's logical and physical replication wire protocol directly.

549
MIT
Used by 2
43Health
Library npm

react-collapsible

A React component for building smooth, animated collapsible and accordion sections with full control over triggers, transitions, and styling.

547
MIT
Used by 2
42Health
SDK npm

lemonsqueezy.js

The official TypeScript SDK for the Lemon Squeezy API, covering checkouts, subscriptions, license keys, and billing.

538
MIT
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