What is App Stack Builder?

App Stack Builder is a free AI-powered tool that helps founders and developers choose the right tech stack for their projects based on budget, app type, team size, and skill level.

What is the best tech stack for SaaS in 2026?

The best tech stack for SaaS in 2026 typically includes Next.js 16 for frontend, Supabase for database and auth, Vercel for hosting, Stripe for payments, and PostHog for analytics. App Stack Builder can generate a personalized recommendation based on your specific budget and requirements.

Is App Stack Builder free to use?

Yes, App Stack Builder is completely free to use. You can generate unlimited tech stack recommendations without any cost.

What types of apps can I build with the recommended stacks?

App Stack Builder supports various app types including SaaS applications, web apps, mobile apps, e-commerce stores, internal tools, and AI/ML products.

How much does a SaaS tech stack cost per month?

A modern SaaS tech stack can cost anywhere from $0-50/month for bootstrapped startups using free tiers, $100-300/month for growth-stage startups, to $500+/month for enterprise-ready infrastructure. App Stack Builder helps you find the best tools within your specific budget.

What is the best tech stack for solo founders?

For solo founders, we recommend Next.js + Vercel (free), Supabase (free tier), Supabase Auth (free), Stripe (pay as you go), and Plausible or PostHog for analytics. This stack can run your entire SaaS for under $50/month.

Can I export my tech stack recommendations?

Yes, you can export your tech stack recommendations as a PDF document or copy them to your clipboard. You can also share a link to your stack with others.

TestingFree tier

Playwright: Pricing, Features & Alternatives

Playwright enables reliable end-to-end testing for modern web apps. It supports Chromium, Firefox, and WebKit with a single API and runs tests in parallel.

Playwright Pricing Plans (2026)

Plan	Price	Highlights
Open SourcePopular	Free	100% free and open source · Cross-browser testing · Mobile emulation

Pricing summary: Free. Always confirm current pricing on the official site.

Key Playwright Features

100% free and open source
Cross-browser testing
Mobile emulation
Auto-wait capabilities
Codegen for test recording
Parallel execution
Trace viewer debugging

Best Playwright Alternatives

Compare all

Cypress

Free · paid from $67/mo

Vitest

Free

Checkly

Free · then usage-based

Jest

Free

BrowserStack

Free · then usage-based

TestMu AI (LambdaTest)

From $15/mo

Playwright FAQ

What is Playwright used for?⌄

Playwright is a testing tool. Cross-browser end-to-end testing framework by Microsoft.

Is Playwright free?⌄

Yes — Playwright has a free tier you can start with, and paid plans for more usage and features.

How much does Playwright cost?⌄

Playwright is free to use.

What are the best Playwright alternatives?⌄

Popular Playwright alternatives include Cypress, Vitest, Checkly, Jest, BrowserStack. Compare pricing and features on our Playwright alternatives page.

Not sure if Playwright fits your stack?

Get a free, AI-powered tech stack tailored to your budget, app type, and team size — including the best testing pick for you.

Build my stack free