Developer boilerplates

Ship real software in days, not months

Kelflow builds production-grade starter kits — full source code, battle-tested, yours forever. Skip the boilerplate and launch.

One-time pricing · full source · no subscriptions · no lock-in

The kits

Production boilerplates, ready to ship

Each kit is the real codebase behind a working product — not a tutorial. More kits on the way.

Available now

Marketplace Starter

Next.js + Supabase marketplace boilerplate. Auth, moderation, reviews, payments-ready, backups, SEO, mobile-first + dark mode.

From $89 · one-time
View product →
● Coming soon

SaaS Starter

Auth, teams, billing and a dashboard — the boring SaaS plumbing, done. Built on the same battle-tested stack.

 
Notify me
● Coming soon

Directory Starter

A niche directory / listings site with submissions, search, monetization and SEO out of the box.

 
Notify me

Why Kelflow

Buy the boring parts. Build the rest.

Every kit ships with the engineering you'd otherwise spend months on.

📦

Full source

Real, complete code. No black boxes, no SaaS lock-in.

Production-tested

Typed, linted, tested — the actual codebase behind live products.

💸

One-time pricing

Pay once, own it forever. No recurring fees.

Ship in days

Clone, rebrand and deploy — launch this week.