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
lint-staged
Run linters and formatters only against the files staged in git, so a slow full-project lint never blocks a commit.
Electron
Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js
Hono
A small, ultrafast web framework built on Web Standards that runs identically everywhere.
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
NestJS
A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.
svgo
A Node.js library and command-line tool that optimizes SVG files by removing redundant markup through a configurable plugin pipeline.
GraphQL Code Generator
A plugin-based CLI that generates typed code from a GraphQL schema and operations
nest-cli
Scaffolds, builds, and serves NestJS applications through schematics-driven code generation and pluggable compiler backends.
napi-rs
Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required
js-beautify
Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code
jest-junit
A Jest reporter that converts test results into JUnit-compatible XML for CI dashboards and test-analytics tools.
cspell
A fast, self-contained command-line spell checker built for source code and documentation.
Mastra Core
The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.
verdaccio
A lightweight, zero-config-required private npm registry with built-in caching and proxying of public registries.
grammY
The modern TypeScript framework for building Telegram bots on Node.js and Deno
claude-agent-acp
Use the Claude Agent SDK as a coding agent from any ACP-compatible editor
npm
The default command-line package manager for Node.js and the JavaScript ecosystem
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.
Psalm
A PHP static analysis tool that finds type errors, dead code, and security vulnerabilities before runtime.
hapi
A config-driven Node.js framework for building HTTP APIs and web servers with built-in validation, caching, and auth.