Bastian Kuberek

For the community

Side projects

Free tools and resources I build for fun and for the community.

coding-study banner: practice coding interviews in your own editor, with the cstudy command-line tool.

coding-study

A study and practice system for coding interviews. Solve problems in your own editor while the cstudy CLI tests your code, checks whether it's optimal, shows reference solutions and schedules spaced-repetition reviews, all on your machine.

PythonCLISpaced repetitionNext.js
ropeshift banner: the name in large type above a rope of many strands braiding into one.

ropeshift

In development

A free, fair-source, self-hosted software factory: project management plus a fleet of supervised coding agents (Claude Code, Codex, opencode) that turns planned work into verified outcomes, interrupting a person only when a person is needed.

GoNext.jsAgents
mkcv wordmark with a terminal cursor beside a typeset resume page, with rows of text flowing through five pipeline stages

mkcv

AI-tailored, ATS-ready résumés and cover letters from the command line. A multi-stage LLM pipeline tailors your career knowledge base to a specific job, using Claude, GPT, local models via Ollama, or anything on OpenRouter.

PythonClaude / OpenAI / OpenRouter / OllamaRenderCVTypstJinja2
spmeta banner: a terminal prints the currently playing track on one line, fed by several music sources.

spmeta

Prints the track Spotify is playing right now — as text, JSON, your own template, or a Waybar module. A single binary for macOS and Linux, built for status bars and scripts.

GomacOSLinuxWaybar
Meshk banner: a circular map of pitch positions in gold and teal dots beside the tagline about makam and dastgah.

Meshk

Interactive fretless-neck maps for Turkish makam and Persian dastgah on microtonal instruments — cümbüş, oud, setar and tar — with a physically modeled string that plays every pitch where it really falls.

Next.jsTypeScriptWeb Audio
Between Frets banner: the title over a fretless instrument neck with three colored pitch markers.

Between Frets

Research notes on the theory, history, instruments and tuning systems of Turkish makam, Persian dastgah and related modal traditions — the companion to Meshk.

Next.jsVeliteTypeScript