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

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
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
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
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
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
84Health
Framework npm

Chat SDK

A unified TypeScript SDK for building chat bots and AI agents across every major messaging platform

2,362
MIT
Used by 10
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
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
48Health
Framework Go

GoConvey

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

8,406
MIT
Used by 3
93Health
Framework npm

Primer CSS

GitHub's official Sass design system framework, providing utility classes and component styles for building GitHub-style interfaces.

13,016
MIT
Used by 1
68Health
Framework npm

Probot

A batteries-included Node.js framework for building and running GitHub Apps that react to repository and organization webhook events.

9,605
Other
Used by 1
67Health
Framework Cargo

Extism

The framework for building with WebAssembly: load, run, and extend apps with wasm plugins.

5,758
BSD 3
Used by 1
91Health
Framework npm

Encore

Backend framework and infra SDK that turns declared resources into real local and cloud infrastructure

12,354
MPL-2.0

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