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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eslint-plugin-import
ESLint rules that validate ES module import/export syntax and catch broken paths before they hit your build.
user-event
Simulates the full sequence of real browser events so Testing Library tests behave the way an actual user does.
serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
i18next
The internationalization framework for JavaScript, with zero runtime dependencies and a pluggable ecosystem for every environment.
sharp
High-performance Node.js image processing powered by libvips, built for fast resizing and format conversion.
serde
A generic framework for serializing and deserializing Rust data structures efficiently and safely.
AI SDK
Provider-agnostic TypeScript toolkit for building AI apps and agents with any LLM.
Chalk
The most popular Node.js library for styling terminal string output with ANSI colors.
Tokio
The async runtime powering most of Rust's networked, concurrent, and I/O-bound applications.
OpenTelemetry JavaScript (@opentelemetry/api)
Vendor-neutral tracing, metrics, and context API that libraries and apps instrument once, so any OpenTelemetry-compatible backend can consume it.
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
DOM Testing Library
Simple, framework-agnostic DOM query utilities that test your UI the way real users interact with it.
OpenAI
The official Node.js/TypeScript client for the OpenAI API, auto-generated from OpenAI's own OpenAPI spec.
fs-extra
Drop-in replacement for Node's fs module adding copy, remove, mkdirs, and JSON helpers with native promise support.
TanStack Virtual (React)
Headless React hook for virtualizing massive lists, grids, and tables at 60FPS.
Tiptap Core
Headless, framework-agnostic rich text editor toolkit built on ProseMirror
ioredis
A robust, full-featured Redis client for Node.js with built-in Cluster, Sentinel, and TypeScript support.
tslib
The runtime library that houses TypeScript's compiler helper functions so your emitted code stays small.
Mermaid
Generate flowcharts, sequence diagrams, and 20+ other diagram types from markdown-like text
cors
Node.js CORS middleware for Express and Connect that sets standards-compliant headers to control cross-origin browser access.
React Flow
A highly customizable React library for building node-based editors, diagrams, and interactive flow charts.
Chart.js
Simple, flexible JavaScript charting for designers and developers