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

92Health
Framework npm

Playwright

Cross-browser end-to-end web testing and browser automation with a single API for Chromium, Firefox, and WebKit.

96,127
Apache 2.0
Used by 228
86Health
Framework npm

Express

The fast, unopinionated, minimalist web framework for Node.js

69,454
MIT
Used by 158
97Health
Framework npm

Electron

Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js

123,052
MIT
Used by 68
55Health
Framework Go

Cobra

The commander library that powers Kubernetes, Hugo, and GitHub CLI's command-line interfaces.

44,603
Apache 2.0
Used by 62
94Health
Framework npm

TanStack Router

A fully type-safe React router with built-in data loading, caching, and URL search-param validation.

15,081
MIT
Used by 56
93Health
Framework npm

Docusaurus

React-based static site generator for building fast, maintainable documentation websites.

66,246
MIT
Used by 36
93Health
Framework npm

NestJS

A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.

76,663
MIT
Used by 27
83Health
Framework npm

Expo

Open-source framework for building universal native apps with React that run on Android, iOS, and the web.

52,237
MIT
Used by 27
98Health
Framework npm

Bootstrap

The world's most popular front-end framework for building responsive, mobile-first sites

174,791
MIT
Used by 25
71Health
Framework Go

Gin

A high-performance HTTP web framework for Go, built on a zero-allocation radix-tree router with an Express.js-style API.

89,216
MIT
Used by 22
93Health
Framework Go

urfave/cli

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

24,235
MIT
Used by 17
98Health
Framework npm

@angular/core

The core runtime of Angular: components, dependency injection, change detection, and signals for building web, mobile, and desktop apps.

101,007
MIT
Used by 16
89Health
Framework npm

Slate

Completely customizable framework for building rich text editors

31,748
MIT
Used by 16
80Health
Framework Go

Bubble Tea

A Go framework based on The Elm Architecture for building terminal UIs, from simple prompts to full-window, high-performance TUI applications.

44,940
MIT
Used by 13
86Health
Framework npm

Solid.js

A declarative JavaScript library that compiles to real DOM nodes and updates them with fine-grained reactivity — no virtual DOM required.

36,035
MIT
Used by 13
91Health
Framework Go

Echo

A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.

32,705
MIT
Used by 13
90Health
Framework Cargo

napi-rs

Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required

7,939
MIT
Used by 13
84Health
Framework Go

Ginkgo

A mature, BDD-style testing framework for Go that pairs with Gomega to write expressive, parallelizable specs.

9,052
MIT
Used by 10
88Health
Framework npm

Mastra Core

The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.

28,036
Apache 2.0
Used by 8
85Health
Framework npm

Capacitor

Build native iOS, Android, and Progressive Web Apps from a single web codebase

16,662
MIT
Used by 7
91Health
Framework npm

Pulumi

Infrastructure as Code in your favorite programming language, powered by a shared multi-language deployment engine.

25,682
Apache 2.0
Used by 6
78Health
Framework npm

grammY

The modern TypeScript framework for building Telegram bots on Node.js and Deno

3,743
MIT
Used by 6
92Health
Framework npm

Remotion

A React framework for creating videos programmatically with code, real browser rendering, and server-side or cloud-scale export.

59,226
Other
Used by 5
92Health
Framework Go

Fiber

An Express-inspired Go web framework built on Fasthttp for zero-allocation, extreme-performance HTTP servers.

40,158
MIT
Used by 4

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