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.

Docs & Developer PortalsFree tier

Mintlify: Pricing, Features & Alternatives

Mintlify renders documentation from MDX committed alongside your code, with an OpenAPI-driven playground, component library and analytics on top. It has leaned hard into the agent era — every docs site ships an MCP server and an assistant trained on your content. The free Starter tier covers a custom domain and the full platform; Pro at $450/month adds the agent, automations and preview deployments.

Mintlify Pricing Plans (2026)

Plan	Price	Highlights
Starter	$0	Full platform · Custom domain · Web editor
ProPopular	$450 / month	Docs agent and assistant · Automations · Preview deployments
Enterprise	Custom	SSO, SCIM and RBAC · Performance SLA · Advanced insights

Pricing summary: Free · paid from $450/mo. Always confirm current pricing on the official site.

Key Mintlify Features

Docs agent and assistant
Automations
Preview deployments
Admin APIs

Pros

+Docs live in your repo as MDX
+Best-looking defaults in the category
+API playground from an OpenAPI spec
+Free tier is genuinely usable

Cons

−Big jump from free to $450
−Opinionated theming
−Component set is Mintlify-specific

Best Mintlify Alternatives

Compare all

Docusaurus

Free

GitBook

Free · paid from $65/mo

ReadMe

Free · paid from $250/mo

Redocly

From $10/mo

Mintlify Compared

Mintlify vs Docusaurus Mintlify vs GitBook Mintlify vs ReadMe Mintlify vs Redocly

Mintlify FAQ

What is Mintlify used for?⌄

Mintlify is a docs & developer portals tool. Modern docs platform for API-first products: MDX in your repo, an API playground, AI search and an MCP server generated for you.

Is Mintlify free?⌄

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

How much does Mintlify cost?⌄

Mintlify offers a free tier, with paid plans starting at $450/month. Some plans are usage-based (pay-as-you-go).

What are the best Mintlify alternatives?⌄

Popular Mintlify alternatives include Docusaurus, GitBook, ReadMe, Redocly. Compare pricing and features on our Mintlify alternatives page.

Not sure if Mintlify fits your stack?

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

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