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
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● Coming soon

Directory Starter

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

 
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● Coming soon

SaaS Starter

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

 
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Why Kelflow

Buy the boring parts. Build the rest.

Every kit already includes the engineering you'd otherwise spend real time building — gain time and move faster.

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Full source

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

Production-tested

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

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One-time pricing

Pay once, own it forever. No recurring fees.

Ship in days

Clone, rebrand and deploy — launch this week.

Services

Don't want to build it yourself? We'll build it for you.

Beyond the kits, Kelflow designs, builds and maintains software end-to-end — websites, mobile apps and AI, shipped and supported by the same team behind the boilerplates.

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Websites & web apps

From fast landing pages to full web apps — designed, built and deployed on a modern, production-grade stack.

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Mobile apps

Native-feeling iOS & Android apps, from idea to the store — one codebase, real performance.

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Maintenance & support

We keep your sites, apps and AI running — updates, monitoring, backups and continuous improvements.

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AI in your business

Chatbots, automations and AI integrations wired into your product and workflows — measured, not hyped.