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TanStack

The open-source application stack for the web.

Headless, type-safe, composable tools for building modern web applications that work naturally for developers and reliably for agents.

What would you like to build?

Prompt
Product principles

Why TanStack?

Our libraries are built around real products and the developers shipping them

Read our product tenets
  1. Portable core

    Framework Agnostic

    Every library starts with a provider-agnostic core. Use React, Vue, Solid, Angular, or vanilla JS—your choice.

  2. Compile-time contracts

    Type-Safe by Design

    First-class TypeScript support that catches bugs at compile time and makes refactoring fearless.

    params.postIdstring
    query.dataProject[]
    form.emailField<string>
  3. Real workloads

    Production-Grade

    Battle-tested in the world's largest apps. Built for real workloads, not just happy-path demos.

    critical pathsused daily
    websitesAI toolsappsservices
  4. Independent tools

    No Vendor Lock-in

    Open source and independent. No hidden agendas, no platform bias—just great tools for developers.

    MITself-hostany hostno paid products
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