Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Kind1
Category
Sort:Used by Most Apps
Commander.js
The complete, battle-tested framework for building Node.js command-line interfaces.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
Cobra
The commander library that powers Kubernetes, Hugo, and GitHub CLI's command-line interfaces.
yargs
The modern, pirate-themed command-line argument parser and command framework for Node.js
Fastify
A fast and low-overhead web framework for Node.js, built around schema-based validation and a plugin architecture
Gin
A high-performance HTTP web framework for Go, built on a zero-allocation radix-tree router with an Express.js-style API.
urfave/cli
A declarative, dependency-free Go package for building fast, friendly command-line tools.
Bubble Tea
A Go framework based on The Elm Architecture for building terminal UIs, from simple prompts to full-window, high-performance TUI applications.
Echo
A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.
Ginkgo
A mature, BDD-style testing framework for Go that pairs with Gomega to write expressive, parallelizable specs.
oclif Core
The Node.js framework that powers Salesforce CLI and Heroku CLI, providing flag parsing, help generation, and a plugin system for building CLIs.
Pulumi
Infrastructure as Code in your favorite programming language, powered by a shared multi-language deployment engine.
Fiber
An Express-inspired Go web framework built on Fasthttp for zero-allocation, extreme-performance HTTP servers.
GoConvey
Behavior-driven testing for Go with nested specs, rich assertions, and a live browser results UI.
json-render
The Generative UI framework: AI builds real, reliable interfaces from prompts, constrained to components you define.
Flask-RESTX
Flask extension for building fully documented REST APIs with Swagger/OpenAPI out of the box
Clipanion
A type-safe, dependency-free CLI framework for building nested, typed command-line applications in TypeScript.
InversifyJS
A lightweight, decorator-driven IoC container that brings SOLID-friendly dependency injection to TypeScript and JavaScript apps.
Extism
The framework for building with WebAssembly: load, run, and extend apps with wasm plugins.
Encore
Backend framework and infra SDK that turns declared resources into real local and cloud infrastructure