The direct contact
For a new project, an existing website, or a technical idea, you talk directly to Tobias.
Tobias Rösner
Managing Director · Engineering
We build websites and software for businesses.
From Siegen, Germany, we build your website or application and connect existing systems. We use automation and AI where they reduce work for your team. You speak directly with the people building your project.
clesk-agent / zsh
ready
clesk-agent~$ ./help
What we can build for you:
▸ websites · websites with clear structure and easy upkeep
▸ web-apps · web applications and portals for customers and staff
▸ software · custom software with documented interfaces
▸ ai-integration · integrate AI into existing applications and processes
▸ automation · automate repetitive routine tasks
Ask about our services or how a project works. /help lists pages and commands.
↵ send · /help commands & pages · /reset clear chat view
Services
From design to ongoing operations, here is what we can deliver for your business.
Web Design
Structure and design for your company website, with documented designs ready for development.
Learn more →Our products
We build and run these products ourselves. They show how we turn practical needs into software.
All products in detail →
LearnATC Learning platform for aviation radio: phraseology, lessons, and an AI simulator for ATC communication 
PPL Training Learning app for the PPL theory exam: 2,000+ ECQB questions, spaced repetition and exam simulation, in 25+ languages 
Slam Voting Live scoring for poetry slams: jury, audience, and venue display in one tool for organisers and teams 
Future Wax Vinyl on demand: records from a run of one, cut not pressed 
RefPlay Track feedback for music producers 
clesk/ uptime Monitoring for websites, APIs, and cron jobs 