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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use-stick-to-bottom
Zero-dependency React hook and component that keeps AI chat scrolled to the bottom as content streams in.
identity-obj-proxy
An ES6 Proxy that echoes back every key you access, built to mock CSS Modules and other webpack style imports in Jest tests.
@codemirror/lang-sql
SQL language support for the CodeMirror editor: parsing, syntax highlighting, and schema-aware autocomplete across multiple SQL dialects.
NextAuth.js
Open-source authentication for Next.js with OAuth, OIDC, email, and passkey sign-in.
validator.js
A dependency-free library of 100+ string validators and sanitizers for Node.js and the browser.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
tiktoken
OpenAI's fast, Rust-backed BPE tokenizer for counting and encoding text into the exact tokens GPT models see.
LangChain.js
The TypeScript framework for building LLM-powered apps and AI agents from interoperable, swappable components.
webpack-bundle-analyzer
Turns webpack build stats into an interactive, zoomable treemap so you can see exactly what's bloating every bundle.
nuqs
Type-safe search params state manager for React — like useState, but stored in the URL query string.
Prompts
Lightweight, beautiful and user-friendly interactive CLI prompts for Node.js.
asyncpg
A fast PostgreSQL database client library for Python built directly on asyncio, implementing the PostgreSQL binary wire protocol natively for high-throughput async applications.
React Virtuoso
The most powerful virtual list component for React — render huge lists, grids, tables, and chat feeds effortlessly.
react-intersection-observer
React hooks and a component for tracking when elements enter or leave the viewport.
color
Immutable JavaScript color conversion and manipulation with CSS string support
@t3-oss/env-core
Typesafe environment variables for TypeScript, validated at boot with any Standard Schema validator.
huggingface_hub
The official Python client and hf CLI for the Hugging Face Hub, for downloading, uploading, and managing models, datasets, and Spaces.
vue-i18n
The internationalization plugin that brings translations, pluralization, and locale-aware formatting to Vue.js 3 apps.
once_cell
Single-assignment cells and lazy statics for Rust, without macros or unsafe code
Google Gen AI SDK
Google's official TypeScript/JavaScript SDK for building applications with the Gemini API and Vertex AI.
jsonc-parser
A fault-tolerant scanner and parser for JSONC (JSON with comments), with SAX-style visiting, DOM trees, and edit APIs.
@codemirror/lang-python
Python language support for the CodeMirror code editor, with highlighting, indentation, and autocompletion.
Bootstrap
The world's most popular front-end framework for building responsive, mobile-first sites
shadcn
Add beautifully designed, accessible UI components as owned source code via a CLI
