Kolja Sam Pluemer

Sätze

Experimental German language learning app to internalize confusing grammar by doing sentence-based cloze deletion exercises

Video Vocab

Make your target language comprehensible by learning the vocabulary needed to understand a native speaker YouTube video.

Vietnamese Minimal Pairs

Experimental UI for learning to distinguish Vietnamese sounds and tones

Expression Simplification Practice

Free high-school level math foundations practice tool

Signal Lost

My entry for the Ludum Dare Game Jam #59 (Signals): Connect houses so they can deliver their data packages before growing annoyed.

Ludum Dare Submission GitHub Repo

3D Preposition Acquisition

a tiny VR/desktop game to learn the local prepositions in a foreign language

Arabic Numbers Practice

Practice recognizing, writing, spelling and pronouncing numbers in Arabic

Arabic Concordances Explorer

Practice Arabic (MSA) by exploring sentences & concordances

Basic Egyptian Sentences Trainer

Get a feel for Egyptian Arabic with a cloze deletion game

Practicing Target Language Vocabulary With a Time-Pressure Sentence Cloze Game

Matrix Multiplication Mentor

a tiny learning app to understand and practice matrix multiplication, built for Summer of Math 21

what-to-do-next

A tiny desktop tool for collecting and displaying ideas on what I could do now

dumb notes

an extremely simple, extremely plaintext, local note-taking app for notes where fancy templating only distracts

The Language Scrapbook

proof of concept for a language game where you fulfill drag-and-drop tasks in the target language

awesome lectures

a community-driven curation of high-quality lecture recordings

Crazy Billiard

I co-created a VR speedrunning game mixing mini golf and billiard

Demo Video

Token Economy Tracker

A tiny productivity app to encourage and reward yourself for taking key actions

Unnamed Global Delivery Game

Casual 3D logistics game where you schedule routes & deliveries on a stylized Earth

prompts

A minimal, terminal-inspired UI to regularly ask yourself questions — made for journaling, self-awareness building and habit-tracking

SVG Shape Creator

a slim, web-based, laser-focused SVG editor that I need for game art creation

Random Stretch Recommender

Get a random stretch you can do right now

Obsidian: Angry Luhmann

Plugin for Obsidian.md that nudges you to connect your notes in a zettelkasten structure

zk

I publish a zettelkasten-style digital garden on how to build learning tools

Built with the custom-made obsidian-to-web SSG custom Obsidian plugin to engage with my notes regularly

Infographics & Posters

Occasionally, I create posters and infographics about varying topics

Making Scenes in Godot Climate Stripes Visualization for Bavaria, Germany

my tool to wrap screenshots in mockups

A tiny, single-file app I use to wrap screenshots in basic mocks

the mission to mockup screenshots

Currency Conversion Challenger

Small Vue app to practice mentally converting from one currency to another

A Webapp to Practice Mental Currency Conversion

Al Kutshina

Practice a language with image-based puzzles

karten

Free online Spaced Repetition Software with experimental features such as interdependent flashcards

Memorizing Verbatim Quotes With Interdependent Flashcards Integrating LLM-Generated Flashcards as an Adhoc Measure Into a Spaced Repetition Flow A Screensaver-Style UI For Passive Flashcard Learning Flow for Integrating Unordered List Memorization Into a Spaced Repetition Flashcard App

Infinite Sentences

Data-driven sentence learning app where you learn exactly the vocabulary you need to understand a piece of natural language

Overview: A Sentence-Based Language Learning Application

The Queue

An Obsidian.md plugin randomly exposing you to your notes. Supports habits, to-dos, spaced repetition flashcards, iterative reading and more.