Websites & Web Apps
Websites and web apps that load fast, get found and grow with your business — from company websites to SaaS platforms.
Astro Next.js Vue.js TypeScript Tailwind CSS
// k:ey software
We build software
that lasts.
Custom web, mobile and desktop development from Germany. From architecture to deployment.
Services
What we build
Custom solutions for web, mobile, desktop and IT — carefully built, maintainable long-term, from one source.
Desktop Applications
Desktop applications based on .NET and Avalonia — offline-capable, close to the system and publishable for Windows, macOS and Linux.
.NET Avalonia Windows macOS Linux
Shopware
Shopware plugins and themes — custom-built, cleanly integrated and supported by shop setup and consulting when needed.
Shopware Plugins Themes Shop setup Consulting
IT Infrastructure
We host client projects on our own servers at Hetzner in Germany — GDPR-compliant, with self-hosted source control and professional development standards.
Hetzner Docker CI/CD GDPR Testing
AI Integration AI
We integrate existing AI services purposefully into applications — where it delivers real value, not because it is trending.
Mistral OpenAI Claude API Integration MCP
Ecosystem
More than services
Alongside client projects, we build our own products and brands — a growing ecosystem of software, tools and platforms.
IT/Developer Platform
thune.dev
A growing ecosystem for developers — AI-powered tools, services and resources that simplify everyday development.
Visit thune.dev
Games & Creative
VoidStorm Studios
Our creative brand for game development and interactive experiences.
Visit VoidStorm Studios
Plugins & Themes
Shopware Extensions
Professional extensions and design themes for Shopware 6, developed and published in the official store.
View Shopware products
API
ColorCraftDB
A comprehensive database of model paints and more—including Citadel Colour, Revell, Army Painter, and other manufacturers—accessible via REST API with OpenAPI definition.
Discover ColorCraftDB
Client Projects
Selected Projects
Custom solutions for clients — from web applications and mobile apps to IT infrastructure.
View projects
How we work
From idea to release
No linear waterfall — software is built iteratively. Every release is the start of the next cycle.
- 1
Idea
Understand requirements, clarify goals
- 2
Planning
Architecture, tech stack, roadmap
- 3
Development
Iterative, transparent, tested
- 4
Testing
Unit, integration and E2E tests
- 5
Release
Deployment on own infrastructure
- ↩
Next cycle