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200+ documentation sources · continuously re-indexed

Documentation for your entire stack, searchable in one place.

AI answers grounded in official docs — for your exact stack. Smart Stack aggregates the official docs for the tools you use and lets you ask questions across all of them — with answers grounded in the real pages, not a model's memory.

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How it works

01

Pick your stack

Add the frameworks, languages, and libraries you actually use. Smart Stack indexes the official docs for 200+ sources.

02

Ask a question

Ask in plain language. The AI retrieves the relevant sections from the official docs across everything in your stack at once.

03

Get a grounded answer

Answers cite real documentation — current versions, not a model's training cutoff. No hallucinated APIs, no tab-hopping.

Popular documentation

View all →

React

v19.0.0

The library for web and native user interfaces.

420 pages

Python

v3.13

A clear, powerful, general-purpose programming language.

700 pages

TypeScript

v5.7.0

JavaScript with syntax for types.

280 pages

Next.js

v15.1.0

The React framework for the web.

610 pages

Node.js

v22.12.0

Run JavaScript everywhere.

520 pages

PostgreSQL

v17

The world's most advanced open-source relational database.

900 pages

Tailwind CSS

v4.0.0

A utility-first CSS framework for rapid UI development.

240 pages

Vite

v6.0.0

Next-generation frontend tooling.

220 pages

Zod

v3.24.0

TypeScript-first schema validation with static type inference.

130 pages

Express

v4.21.0

Fast, unopinionated, minimalist web framework for Node.js.

140 pages

TanStack Query

v5.62.0

Powerful asynchronous state management for the web.

240 pages

Vue

v3.5.0

The progressive JavaScript framework.

310 pages

Browse by category

Frontend Frameworks

UI libraries and frameworks for building interfaces.

Meta-Frameworks

Full-stack frameworks built on top of UI libraries.

Backend Frameworks

Server frameworks and routers for building APIs.

Languages & Runtimes

Programming languages and their runtimes.

Databases & ORMs

Databases, ORMs, and query builders.

Styling & CSS

CSS frameworks, engines, and component kits.

Build Tools & Bundlers

Bundlers, compilers, and dev tooling.

Cloud & Platforms

Edge runtimes, hosting, and platform SDKs.

State & Data Fetching

State management and data-fetching libraries.

Validation & Types

Schema validation and type-safety libraries.

Compare the tools

All comparisons →
Python vs TypeScript Python vs Node.js TypeScript vs Node.js React vs Vue Python vs Go Python vs Rust TypeScript vs Go TypeScript vs Rust

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