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.
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.
Sass
The reference Dart implementation of Sass, the mature CSS preprocessor that compiles SCSS and indented syntax to standards-compliant CSS.
webpack
A static module bundler that builds a dependency graph of your project's modules and packages them into optimized browser bundles
Storybook
The industry-standard workshop for building, documenting, and testing UI components in isolation, across every major frontend framework.
Oxlint
Rust-based JavaScript/TypeScript linter that runs 50-100x faster than ESLint, with zero configuration required.
css-loader
Resolves CSS @import and url() like JavaScript imports so webpack can bundle stylesheets and their assets.
Stylelint
An extensible CSS linter that catches errors and enforces consistent styling conventions.
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.
postcss-loader
Runs PostCSS plugins on your CSS as part of a webpack build pipeline.
mini-css-extract-plugin
A Webpack 5 plugin that extracts imported CSS into separate files per chunk, with async loading, source maps, and on-demand delivery.
TypeScript Native Preview
Preview npm build of tsgo, the native Go port of the TypeScript compiler ahead of TypeScript 7.0.
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
svgo
A Node.js library and command-line tool that optimizes SVG files by removing redundant markup through a configurable plugin pipeline.
nest-cli
Scaffolds, builds, and serves NestJS applications through schematics-driven code generation and pluggable compiler backends.
eslint-config-airbnb
Airbnb's widely-adopted ESLint config for JavaScript and React, encoding the public Airbnb style guide as enforceable lint rules.
openapi-ts
OpenAPI-to-TypeScript code generator producing production-grade SDKs, Zod schemas, and TanStack Query hooks.
css-minimizer-webpack-plugin
A Webpack plugin that minifies CSS build output via cssnano by default, with swappable csso, clean-css, esbuild, and Lightning CSS backends.
