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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TypeScript
A strongly typed superset of JavaScript that compiles to clean, portable JavaScript.
ESLint
The pluggable JavaScript and TypeScript linter that finds and fixes code problems through a fully customizable, plugin-based rule engine.
prettier
An opinionated code formatter that enforces consistent style across every language your project speaks.
typescript-eslint
The official meta-package bundling the TypeScript ESLint parser, plugin, and rule presets behind a single typed config() helper.
esbuild
An extremely fast JavaScript and CSS bundler and minifier written in Go.
posthog-js
The official browser SDK for PostHog — autocapture, session replay, feature flags, and surveys in one drop-in script.
AWS SDK for JavaScript (S3 Client)
The official modular AWS SDK v3 client for Amazon S3, with TypeScript-first APIs and streaming support.
eslint-plugin-react
React-specific linting rules for ESLint that catch JSX bugs, enforce Hooks conventions, and keep prop usage consistent.
eslint-plugin-import
ESLint rules that validate ES module import/export syntax and catch broken paths before they hit your build.
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
Storybook
The industry-standard workshop for building, documenting, and testing UI components in isolation, across every major frontend framework.
webpack
A static module bundler that builds a dependency graph of your project's modules and packages them into optimized browser bundles
OpenAI
The official Node.js/TypeScript client for the OpenAI API, auto-generated from OpenAI's own OpenAPI spec.
Oxlint
Rust-based JavaScript/TypeScript linter that runs 50-100x faster than ESLint, with zero configuration required.
Google Cloud Storage
Node.js client library for Google Cloud Storage — upload, download, and manage buckets and objects programmatically.
SWC
Rust-based JavaScript/TypeScript compiler, a drop-in super-fast alternative to Babel
npm-run-all
A cross-platform CLI that runs multiple npm-scripts in parallel or in sequence, replacing fragile shell operators like && with Windows-safe orchestration.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
Octokit REST
The official GitHub REST API client for JavaScript and TypeScript, with a typed method for every endpoint.
TypeScript Native Preview
Preview npm build of tsgo, the native Go port of the TypeScript compiler ahead of TypeScript 7.0.
google-api-nodejs-client
Google's officially supported Node.js client library for calling hundreds of Google APIs with built-in OAuth 2.0, API key, and service-account auth.
Node-Redis
The official, high-performance TypeScript client for Redis in Node.js.
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
supabase-js
The official isomorphic JavaScript SDK for Supabase — database, auth, realtime, storage, and edge functions in one client.