What is a tech stack?

A tech stack is the combination of languages, frameworks, databases, and services used to build and run an application. A typical web app stack includes a frontend framework (React, Next.js), a backend framework (Node, FastAPI, Rails), a database (Postgres, MongoDB), a hosting platform (Vercel, AWS), and supporting services for auth, caching, and analytics.

How do I choose a tech stack for my startup?

Pick the stack your team can ship in fastest, then validate the product before optimizing for scale. For most startups in 2026, that means Next.js + TypeScript on the frontend, Postgres for the database, a managed host like Vercel or Render, and a managed auth service like Clerk or Supabase Auth. Avoid stacks where you have to operate everything yourself until you have paying customers.

What's the best tech stack for a SaaS MVP in 2026?

For a bootstrapped SaaS MVP, the most common stack in 2026 is Next.js (App Router) + TypeScript on the frontend and API, Postgres on Neon or Supabase as the database, Clerk or Supabase Auth for authentication, and Vercel for hosting. This combination minimizes ops work, has generous free tiers, and lets a small team ship in weeks.

Should I use Next.js or React for a new web app?

Use Next.js for almost any new public-facing web app. It gives you server-side rendering, file-based routing, image optimization, and a unified place for API routes - all of which you would otherwise wire together yourself with plain React. Plain React (Vite) is still a good pick for purely behind-login dashboards and internal tools where SEO and SSR are not needed.

Is this tech stack recommender free?

Yes. The Tech Stack Recommender is 100% free, runs entirely in your browser, and requires no signup. Your answers and the recommendation never leave your device.

Free Tech Stack Recommender - Pick the Right Stack for Your Web App

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