Stop rebuilding the same foundation.
Ship the SaaS.

Kaven is a complete, multi-tenant SaaS framework built for developers who are tired of setting up auth, payments, roles, and observability from scratch — every single time.
22 production features. 400+ pages of docs. One codebase. Zero compromises.

Next.js 14 + Fastify + PostgreSQL
Lifetime updates
Source code included
~/my-saas
$ kaven init my-saas --template complete
Bootstrapping project...
Multi-tenancy — tenantId isolation, RLS middleware
Auth + RBAC — JWT, refresh tokens, 3-level roles
Payments — Stripe, PIX, Paddle wired
Observability — Prometheus, Grafana, 36+ metrics
985 tests passing — 0 failures
$ npm run dev
Your product. Starting now.
Sound familiar?
🔁

You're rebuilding auth again

JWT, refresh tokens, password reset, email verification — for the 4th time this year. Same code. Different project.

💸

Multi-tenancy isn't "just a flag"

Data isolation, tenant slugs, role hierarchy, per-tenant features. You know it's complex. You've built it wrong before.

📊

Observability is always "later"

Until production breaks and you have no metrics, no traces, no alerts. "Later" costs real money and real users.

Kaven solves all three. Not eventually — from day one.

Not a starter kit.
Not a template.
Infrastructure.

Kaven is a production-grade, multi-tenant SaaS framework with 22 fully implemented features — each one tested, documented, and wired together.

You clone it. You build your product on top. You don't touch the foundation ever again.

┌─────────────────────────────────────┐
YOUR PRODUCT← you build this
│ [Feature A] [Feature B] [...] │
├─────────────────────────────────────┤
KAVEN← already done
│ Auth · Multi-tenancy · Payments │
│ Observability · RBAC · CLI · Docs │
└─────────────────────────────────────┘
PostgreSQL · Redis · Docker
22 production features. Built, tested, documented.

Everything your SaaS needs.
Wired together from day one.

Multi-tenancy
  • ✓ Tenant CRUD
  • ✓ Friendly URL slugs
  • ✓ Smart lookup (UUID/slug)
  • ✓ Data isolation (RLS)
  • ✓ Spaces & sub-segmentation
Auth & Security
  • ✓ JWT + Refresh tokens
  • ✓ Password recovery
  • ✓ Email verification
  • ✓ Setup wizard (4 steps)
  • ✓ RBAC — 3 levels
Payments
  • ✓ Stripe integration
  • ✓ PIX via PagueBit (BR)
  • ✓ Paddle (digital goods)
  • ✓ QR code generation
  • ✓ Webhook handler HMAC v2
Observability
  • ✓ 36+ metrics (Golden Signals)
  • ✓ Prometheus export
  • ✓ 4 Grafana dashboards
  • ✓ Circuit breaker pattern
  • ✓ 7-tab admin dashboard
Design System
  • ✓ 76+ UI components
  • ✓ Dark mode built-in
  • ✓ Responsive (mobile-first)
  • ✓ White-label branding
  • ✓ Fluent UI + Shadcn adapters
i18n & Timezones
  • ✓ PT-BR + EN-US
  • ✓ 170+ translations
  • ✓ 22 IANA timezones
  • ✓ Auto browser detection
  • ✓ Pluralization support
Email System
  • ✓ AWS SES (rate limiting)
  • ✓ Welcome templates (HTML)
  • ✓ Notification center
  • ✓ In-app notifications
  • ✓ Audit log export (CSV)
CLI + Marketplace
  • ✓ kaven module add/remove
  • ✓ Split-schema Prisma
  • ✓ Module marketplace
  • ✓ Device code auth flow
  • ✓ Module doctor

Community & Gamification (XP, Badges, Discord) — post-launch roadmap. Everything above is built and tested today.

Built on tools you already know.
Next.js 14 (App Router) Fastify PostgreSQL 16 Prisma ORM TypeScript (strict) Redis Docker Compose pnpm workspaces Tailwind CSS Vitest Prometheus Grafana
Who it's for

Kaven is for developers who ship.

👤

Indie dev / solo builder

Building a SaaS on the side or full-time. You've done auth 10 times. You're sick of it. You want to spend energy on the product that makes money — not the plumbing underneath it.

Kaven gives you the plumbing on day one.

👥

Agency / freelancer

Client wants a multi-tenant platform. You quote 3 months for the foundation alone. With Kaven, that becomes 3 weeks.

More margin. Faster delivery. Same quality.

🏢

CTO at an early-stage startup

Series A. Enterprise clients asking: "Can you isolate our tenant data?"

You say: "Already done."

Kaven ships with multi-tenancy baked in from day one.

Kaven is not for everyone. Seriously.

You want drag-and-drop builders — no code involved
You're not comfortable with TypeScript and the terminal
You're looking for a UI component library only
You need someone to host and maintain it for you
You need a CMS-first or WordPress solution

If that's you — no hard feelings. Kaven is a developer tool.
If it's not you — keep reading.

Pricing

One-time payment. Lifetime access.

No subscriptions. No per-seat pricing. No lock-in.

Starter
$149
1 project license, 10 tenants
  • Multi-tenancy (10 tenants)
  • Auth + RBAC
  • Design System (76+ components)
  • CLI + module system
  • i18n (PT-BR + EN-US)
  • 200 pages docs
  • Payments (Stripe, PIX, Paddle)
  • Observability + Grafana
  • Audit logs
  • Marketplace access
Join Waitlist
Pro
$799
5 project licenses, marketplace
  • Everything in Complete
  • 5 project licenses
  • Marketplace access
  • Priority support
  • Module publishing rights
  • CLI pro features
Join Waitlist
🔐

Founding Member pricing — first 50 customers get 30% off. Permanently locked.

Waitlist members are notified 48h before public launch.

Most boilerplates assume you'll figure it out.

No architecture decisions explained. No "why" behind the choices. Just "here's the code, good luck."
That doesn't work for everyone.

Kaven was built with 400+ pages of documentation — not because it was required, but because the person building it needed a map.

Every decision is documented. Every pattern is explained. Every module has a clear entry point.

If you've ever built something brilliant but couldn't start because you didn't have the full picture — Kaven is for you.

"From idea to infrastructure.
Without losing your mind along the way."

Launch is March 31, 2026.
Waitlist gets access first.

No spam. One email when we launch. Unsubscribe anytime.

Join 247 developers already on the waitlist.

FAQ

Common questions