Full-Stack ProductLive product
Handwrite
Personal messages, written in real ink. Postcards and cards with envelopes, from one recipient to a CSV list.
Explore HandwriteShopOfLuba · Independent projects
Built to
find out.
Software, physical things, and the questions that turn into both.
Explore products you can use, tools you can build with, and experiments still taking shape.
Explore the workSelected work
All projectsProduct GovernancePrototype
PMX
Turn product intent into a clear next decision, a reviewed engineering handover, and a record of what happened.
Explore PMXiOS AppBeta
Wirkraum
An offline Natura 2000 field tool for iPhone and iPad. Built with LubaUI, with traceable sources and a distinct visual identity.
Explore WirkraumOpen Source / Design SystemOpen source
LubaUI
A shared visual language for SwiftUI apps, used to build Wirkraum. Explore the reusable system and its real-world showcase.
Explore LubaUIiOS AppiOS app
VibeEcho
Explore a public Instagram profile through engagement, comments, and AI-assisted content feedback.
Explore VibeEchoResearch / Open SourceResearch
AnimalTaskSim
Testing which learning mechanisms reproduce animal-like choices, and where the explanation breaks down.
Explore AnimalTaskSimThe thread through the work
Follow the question.
Build the whole thing.
A postcard needs more than a checkout. A useful field tool needs more than a map. The work here follows each idea through the interface, the system behind it, and the places where it meets the real world.
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