Polar
Vercel Blob
StartKit.AIThe first SaaS boilerplate for creating AI products
Developer tools
SaaS starter kits & boilerplates: the tech stack of 60 real products
Templates and boilerplates to start a SaaS or app — auth, billing and UI wired up.
Most of what we know here comes from open-source projects — what their code declares as dependencies — rather than makers' own words. It's exact for how those projects are built; makers' products are marked apart below.
What sets them apart
Picks at least twice as common here as among products overall, in decisions at least 10 of them show.
SvelteKitFrontend Framework6.1×as often as overall8 of the SaaS starter kits & boilerplates that show frontend framework (16%)
SvelteFrontend Framework4.4×as often as overall9 of the SaaS starter kits & boilerplates that show frontend framework (18%)
NodemailerTransactional Email4.0×as often as overall8 of the SaaS starter kits & boilerplates that show transactional email (40%)
NestJSBackend Framework3.3×as often as overall8 of the SaaS starter kits & boilerplates that show backend framework (27%)
Better AuthAuthentication2.9×as often as overall7 of the SaaS starter kits & boilerplates that show authentication (54%)
TypeORMDatabase Access & ORMs2.6×as often as overall8 of the SaaS starter kits & boilerplates that show database access & ORMs (25%)The typical stack
The leading pick where at least 8 of them show the decision and the leader has at least a quarter of it.
| Decision | Most common pick | Share | At default usage |
|---|---|---|---|
| Frontend Framework |  React | 35 of 50 · 70% | — |
| Database |  PostgreSQL | 22 of 40 · 55% | — |
| Database Access & ORMs |  Prisma | 11 of 32 · 34% | — |
| Backend Framework |  Express | 16 of 30 · 53% | — |
| Transactional Email | Resend | 9 of 20 · 45% | $20/mo · Pro 50k |
| Payments | Stripe | 16 of 17 · 94% | fees on revenue · $410 on $10,000/mo |
| Authentication | Better Auth | 7 of 13 · 54% | $0/mo · Self-hosted (open source) |
| Error Monitoring |  Sentry | 11 of 12 · 92% | $29/mo · Team |
| Hosting |  Fly.io | 4 of 12 · 33% | $15/mo · Pay As You Go |
| File Storage |  Amazon S3 | 6 of 8 · 75% | $11/mo · S3 Standard (US East) |
Monthly bills add up to about $75 at the calculators' default usage, list prices; fees on revenue (Stripe) come on top. Set your own usage →
What they chose, decision by decision
Among the SaaS starter kits & boilerplates that show each choice, from makers' products and open-source code alike.
Small samples, fewer than 8 products: Image & Video Hosting (sharp 4, Cloudinary 1) · Product Analytics (Mixpanel 3, PostHog 1) · AI SDK & Agent Framework (AI SDK 3, LangChain 1) · Background Jobs & Cron (BullMQ 2, pg-boss 1) · LLM API (OpenAI API 2, Groq 1) · Web Analytics (Vercel Web Analytics 3)
SaaS starter kits & boilerplates we track
7 makers' products and 53 open-source projects. Makers' products first.
StartKit.AIThe first SaaS boilerplate for creating AI products
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