Building products, businesses and systems that solve real problems.

Daan Kemper

Founder • Builder • Operator

Chapter 2

How I got here

Most people pick one path.

Developer. Designer. Founder.

I never really did.

Started building websites.

Started building products.

Started helping companies grow.

Now I spend my time turning ideas into things people actually use.

Chapter 3

What I’m Building

01 / Project

Devife

Company

Helping businesses grow with a better website and strategy.

Current focus Own project Open project
02 / Project

ReviewHarvest

Saas

ReviewHarvest is a privacy-friendly Chrome extension that collects available Amazon product reviews and exports them to CSV or JSON for easier research and analysis.

Building Own project Open project
03 / Project

PassKeep

Saas

PassKeep is a privacy-focused password manager that helps users securely store, generate and manage their passwords through an easy-to-use experience.

Building Own project Open project
04 / Project

Stockhut

Saas

Stockhut was a centralized inventory management system with proof-of-purchase storage and integrations for bol.com and WooCommerce.

Operating Own project Open project
05 / Project

Voozzle

Saas

Voozzle was an iPhone app that made visual voicemail available across mobile providers, allowing users to view callers and play individual messages in any order.

Part of project Part of project Open project
Chapter 4

Things I build

The common thread is practical software: clear interfaces, useful systems, and products people can actually use.

Builder focus

I like building the parts where product, design and engineering meet.

Sometimes that is a fast marketing site. Sometimes it is a dashboard, a content system, an onboarding flow, or automation that quietly removes repeated work.

Websites & portfolios

Fast, polished sites that explain what you do and make it easy for people to take the next step.

Product interfaces

Dashboards, portals, onboarding flows, and internal tools designed for real users and repeated use.

CMS & content systems

Structured content models, editorial workflows, SEO foundations, and frontend integration.

Automation & AI workflows

Practical workflows that save time without making the product feel over-engineered.

Chapter 5

Philosophy

I believe software should be useful.

Not complicated.

Not over-engineered.

Useful.

Build fast.
Ship often.
Design for humans.
Solve real problems.
Chapter 6

A little bit about myself and what I do.

When I'm not building software, I'm probably training.

Training keeps me grounded. It gives the week rhythm, clears the noise, and reminds me that progress usually comes from showing up before it feels impressive.

That mindset carries into how I build: steady reps, sharper systems, better decisions, and enough patience to keep improving after the first version ships.

A focused training space with weights and morning light
Competition 2026
Athlete tying training shoes before a workout
Competition 2026
Chapter 7

Field notes