Portfolio archive
Project archive.
Current apps, older projects, experiments and work kept for its development history. For the app launcher, every current app is available directly from the homepage.
Open the app Hub31 projects
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Artikelwerk
Deliberate German noun-gender practice, one decision at a time.
In betaAtelier
A local-first spatial planning studio for arranging rooms, objects and environments through an interactive visual workspace.
Canvas
A realtime infinite canvas for drawing, writing, diagramming, arranging ideas and collaborating in a shared space.
Clean30
Turn household cleaning into a clear, paced sequence of focused tasks and visible progress.
Curio
Inspect unusual objects, estimate their value, and compete through calculated auction decisions.
DUEL
A collection of 25 local two-player arcade games built for quick same-screen competition with keyboard and touch controls.
In betaFrench 3000
Build practical French vocabulary through focused flashcards, context, and spaced repetition.
Gomoku
A focused browser implementation of Gomoku for quick five-in-a-row strategy play with a clean board-first interface.
Impossible Transit
Travel through a surreal browser transit network where architecture, scale, gravity, recursion, and space stop obeying normal rules.
Koinē Path
Learn Biblical Greek through structured grammar, parsing drills, progressive hints, guided New Testament reading, review, and meaningful progress tracking.
In betaLe Carnet Français
Practice French grammar, vocabulary, and structured lessons in one course-oriented learning environment.
Manuscript
Write in Markdown. Shape it into something worth reading.
Markdown: Final Form
An extensive interactive showcase and reference for modern Markdown, GitHub rendering and advanced document syntax.
MathLab
An interactive workspace for mathematical exploration and practice.
In betaMicro Arcade
A collection of small browser games, with quick starts and plenty of reasons to come back.
Nebula Foundry
Build an expanding cosmic production system that accelerates from careful upgrades into extreme automation.
Notes
A local-first notes app with rich text, checklists, reminders, attachments, drawings, voice, search and sync support.
PDF Studio
Edit, annotate and organize PDFs in your browser.
PflegeLern
Study nursing with structured concepts, flashcards, adaptive review, exam practice, clinical cases, progress tracking, and offline access.
Scan
Scan paper and PDFs into a local searchable Android library with OCR, page editing, organization, secure export and encrypted backup.
In betaSignal Earth
An interactive 3D Earth observatory combining natural events, satellites, space weather, astronomy and time.
Skyspire
Climb upward through a precision platforming run where mistakes quickly turn height into risk.
In betaSteadybar
A music-practice system for planning sessions, following routines, using practice tools and tracking progress across instruments.
The Bible Challenge
Explore the Bible through questions, collections and replayable challenges.
THIEPN Library
Publish, browse, search, and read books and research editions through a static-first multi-work library with native web reading and verified releases.
Tiny Tools
Hundreds of browser tools for documents, images, audio, video, data, code, calculators and everyday tasks.
TMS60
Memorize and maintain a structured set of Bible verses through focused recall and review.
Unreached
Explore peoples, languages and access to Scripture in a world mission atlas.
In betaVOIDCUT
A precision arcade game about cutting space and protecting moving nodes.
Wordfall
Protect the field by typing incoming threats before they reach their destination.
WORDSTRIKE
An arcade typing game where accuracy keeps you alive.