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TanStack Start

Full-stack React/Solid framework built on TanStack Router, adding SSR, streaming, and server functions.

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TanStack Start is a full-stack framework for React and Solid built on TanStack Router. It takes the router's type-safe routes, search params and loaders and adds full-document server rendering, streaming, server functions and server routes, built with Vite or Rsbuild.

Routing is entirely TanStack Router, so route params, search params and loader data are typed end to end. Server code is written as server functions: you define a function with createServerFn, call it from components or loaders like a normal async function, and Start turns it into a same-origin RPC endpoint with CSRF protection. For endpoints other services call, you write server routes instead. Middleware attaches context such as the current user to requests.

Rendering can be chosen per route, from full SSR to selective SSR, static pre-rendering, incremental regeneration or a client-only SPA mode that still uses server functions. It is designed to deploy to any host; Cloudflare, Netlify and Railway are official hosting partners, with documented targets for Vercel, Node or Docker, Bun and Nitro.

The project describes itself as a release candidate: feature-complete with a stable API, but not yet v1. React Server Components are experimental and opt-in. There is no built-in user system, so authentication means a managed provider or building sessions with its server primitives.

Where it fits

Frontend Framework · React full-stackType-safe routing and server functions for React or Solid, built on TanStack Router.Trade-off: Younger than the alternatives, with fewer examples and hosting guides.

How TanStack Start itself is built

3 tools, from its own code, website and Product Hunt page.

ReactSolidJSVue.js

Who uses it

No maker's live product on record yet, and 42 open-source projects that declare it in their code.

Declared in code 42How evidence is collected →

We haven't found a maker's live product that uses TanStack Start yet — only the open-source projects below, which declare it in their code.

Open source: a project that declares TanStack Start as a dependency in its public code — verifiable, but not necessarily a live product.

Loved and watch-outs

Themes that recur in makers' words and Hacker News comments, each linked to what it summarises.

Most loved
  • Teams migrating from Next.js report much faster builds and a dev server using a fraction of the memory. HNHN 2HN 3
  • It has less magic and a clearer mental model than Next.js, with sane defaults. HNHN 2HN 3HN 4
  • Rendering is flexible: static prerendering, client-heavy apps and opt-in server components all fit. HNHN 2HN 3HN 4
  • It is not tied to React, with its router and server functions also supporting Solid. HNHN 2
Watch-outs
  • Third-party docs and package setup tools often do not cover it yet. HN

Reliability and open issues

Most wanted on GitHubOpen on 2026-10-04 in TanStack/router, with activity in the last year — issues and feature requests by 👍.

Who switches

Public pull requests on GitHub since Oct 2024 whose title says "X to Y" — real code changes moving a project from one tool to another, by developers in general. Open a row to see the pull requests.

Next.js → TanStack Start92 PRs
All matching pull requests on GitHub ↗
Astro → TanStack Start9 PRs
All matching pull requests on GitHub ↗
React Router → TanStack Start7 PRs
All matching pull requests on GitHub ↗
TanStack Start → Next.js9 PRs
All matching pull requests on GitHub ↗
TanStack Start → Astro4 PRs
All matching pull requests on GitHub ↗

Alternatives to TanStack Start

All alternatives by situation →
ReactSingle-page apps built from React components, with the largest ecosystem of component libraries, examples and AI-generated code.Open sourceFree tier200 makers · frontend framework
Next.jsReact apps that want server rendering, API routes and the largest set of examples, templates and SaaS starters.Open sourceFree tier1510 makers · frontend framework
React RouterReact apps built around web standards — loaders, actions and forms — in the lineage of Remix.Open sourceFree tier
SvelteKitApps written in Svelte, with less boilerplate and small client bundles.Open sourceFree tier
NuxtVue apps, with a large module ecosystem for auth, content, images and SEO.Open sourceFree tier30 makers · frontend framework
AstroMarketing sites, docs and blogs that ship minimal JavaScript, with interactive islands from any UI library.Open sourceFree tier212 makers · frontend framework
Vue.jsSingle-page apps with approachable single-file components and official router and state libraries from the same team.Open sourceFree tier71 makers · frontend framework
SvelteInteractive apps and widgets with little boilerplate, compiled to small client bundles.Open sourceFree tier42 makers · frontend framework

Questions makers ask about TanStack Start

Is TanStack Start stable enough for production?

It is a release candidate: the team considers it feature-complete and the API stable, but says that does not mean it is free of bugs. source ↗

Should I use Start or just TanStack Router?

If you are sure you need no server rendering, streaming, server functions or server routes, TanStack Router alone gives you the typed SPA routing. Start adds those server-side features on top of the same router. source ↗

Where can I host it?

It works with any host. Cloudflare Workers, Netlify and Railway are official partners, and the docs also cover Vercel, Node.js or Docker, Bun, Nitro and Appwrite Sites. source ↗

Does it support React Server Components?

Yes, as an experimental feature that is off by default; you enable it in the build config and install an RSC plugin when using Vite. source ↗

Can I run it without server rendering?

Yes. SPA mode ships a static HTML shell that a CDN can serve, and you can still call server functions and server routes from it. source ↗

Does it include authentication?

No. The docs recommend a managed provider such as Clerk or WorkOS where possible, and otherwise give guidance on session cookies, OAuth, CSRF and rate limiting for building your own. source ↗

Can I migrate a Next.js app?

Yes, there is a step-by-step guide with a before-and-after example. Start does not read Next.js routing conventions or config, so each route, data load and mutation is translated by hand. source ↗

Is TanStack Start free?

Yes — it is free, open-source software.

Is TanStack Start open source or self-hostable?

Open source, and you can self-host it. source ↗

Can AI coding agents work with TanStack Start?

It serves an llms.txt docs index; it has an official CLI (@tanstack/cli).

Who uses TanStack Start?

No maker's live product we track yet; 42 open-source projects declare it in their code. source ↗