Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Express
The fast, unopinionated, minimalist web framework for Node.js
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
Electron
Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js
Cobra
The commander library that powers Kubernetes, Hugo, and GitHub CLI's command-line interfaces.
Hono
A small, ultrafast web framework built on Web Standards that runs identically everywhere.
NestJS
A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.
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.
napi-rs
Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required
Ginkgo
A mature, BDD-style testing framework for Go that pairs with Gomega to write expressive, parallelizable specs.
Mastra Core
The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.
Pulumi
Infrastructure as Code in your favorite programming language, powered by a shared multi-language deployment engine.
grammY
The modern TypeScript framework for building Telegram bots on Node.js and Deno
Fiber
An Express-inspired Go web framework built on Fasthttp for zero-allocation, extreme-performance HTTP servers.
graphql-yoga
A fully-featured, spec-compliant GraphQL server built on the WHATWG Fetch API, running anywhere from Node to Cloudflare Workers.
botbuilder-js
The Node.js/TypeScript SDK for Microsoft Bot Framework — adapters, middleware, and channel integrations for building conversational bots.
CopilotKit
React hooks and providers for building AI copilots with shared state, generative UI, and human-in-the-loop workflows.
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.
hapi
A config-driven Node.js framework for building HTTP APIs and web servers with built-in validation, caching, and auth.
Flask-RESTX
Flask extension for building fully documented REST APIs with Swagger/OpenAPI out of the box
