Portfolio
Ordered by GitHub stars, from the most starred to the least. Use the filters to look at it the way you need: by discipline, by language or by what you are trying to get done.
54 projects
Procreate timelapse batch exporter
A GUI that exports timelapse videos from many Procreate files at once, straight from .procreate files or app content. Born from an artist's need to stop exporting one by one. Uses 7-Zip and FFmpeg to extract, stitch and export.
Logic Pro vocal chain plugin
A vocal chain for Logic Pro: resonance, drive, noise gate, pitch, de-esser, three-band EQ, FET compressor, limiter, delay and reverb in one plugin.
CMS that deploys to a static site
A CMS app with extensions that deploys into a static Vercel site, or exports JSON for Gatsby. Includes a collaboration server for editing together.
Prompt-driven port of a file system driver
FUSE driver for Apple's APFS, fixed to build and run on FreeBSD by directing Gemini CLI (Pro model) through the work: a real-world test of prompt engineering on systems code.
First Java project
First Java project from JetBrains Academy plus a few experiments around it.
Cat pedigrees and inbreeding calculator
Helps people find and manage cats and their pedigrees, and calculates the inbreeding coefficient of a pair to judge whether mating is a good idea. Built with Laravel.
DistilBERT paragraph sorting
A complete workflow to train and run a DistilBERT model that sorts paragraphs, with a labelling interface for creating the training data.
Select text, ask Gemini
A PopClip extension that sends selected text to Google Gemini and brings the answer back, anywhere on macOS.
"Add to Home Screen" for macOS
The iOS "Add to Home Screen" Safari feature, available on any recent macOS version via a shell script.
To-do list for macOS and web
A to-do list application for macOS and the web built with Svelte and Tauri.
Screenshots to flashcards
An Electron tool for taking lots of screenshots of study material quickly and exporting them as an Anki-importable CSV: a rich utility for fast creation of flashcards.
Pick a safe csr-active-config
Utilities that help work out the right SIP / csr-active-config value for your use case without leaving the system exposed.
Honeypot digital twin
A honeypot digital-twin environment for more than just WooCommerce: bait services that record what attackers try.
A CNC-carved nightjar that sings
A wooden nightjar with a button on its back: hold it and the bird sings its churring night call, let go and it sleeps. CAD model, CNC toolpaths, board v1 to v8 and the promo site, all in the open.
Latin to Glagolitic script
A converter between Latin and Glagolitic script, the oldest Slavic alphabet, built with Svelte.
This site, third generation
The portfolio you are on: Astro, no tracking, English and Slovak. It replaced a Svelte + Sapper site and merged the code and graphic design portfolios into one.
Retrieval-augmented generation notebooks
A Jupyter playground for retrieval-augmented generation with DSPy, where prompts are programmed and optimised rather than hand-tuned.
Prompt-engineered SwiftUI demo
A SwiftUI app built almost entirely by prompting: a work-in-progress demo of how far directed AI development can go on native iOS and macOS.
Text-to-speech export
A text area and a save button over gTTS: type text, get a spoken audio file.
Smart USB-TTL serial converter
Advanced USB-TTL serial converter with automatic detection, BLE-based protection against USB Killers and a wireless terminal. Documentation site of the hardware project.
Full-stack starter with Docker
Tested template: Angular front end, .NET C# back end, Docker and an Nginx reverse proxy so one port serves both.
Full-stack starter with Docker
Tested template: React front end, Java Spring Boot back end, Docker and an Nginx reverse proxy for a single port and domain.
Ransomware decryption PoC
Proof of concept that recovers files encrypted by ransomware from a memory dump.
Bachelor thesis in Informatics, FIIT STU
My Bachelor thesis: exploratory data analysis and a redesigned, modular evidence system for animal (cat pedigree) databases, implemented in Laravel with a Docker image.
From the ayu_animations account
Sketches related to my animation Instagram account ayu_animations.
Packet capture analysis
University project that reads .pcap captures and decodes frames, protocols and conversations.
Django REST over complex SQL
Django REST API for complex SELECT queries over a PostgreSQL database, built from scratch over an existing schema. A static snapshot of the API is online.
A Linux shell in C and x86 assembly
A basic Linux shell in C that talks to the kernel through hand-written x86 assembly syscalls.
16-bit MS-DOS character counter
Counts different kinds of characters, processing arguments and files in 16-bit MS-DOS Turbo Assembler.
Background art for my animation
Sample environment paintings, mostly background art for my animation.
Selected illustrations, mostly from around 2022
Selected illustrations from my work, mostly dated around 2022.
OpenGL 3D exploration
University OpenGL project: a small 3D world to explore, with models, lighting and camera written in C++.
Centroid clustering demo
Demonstration of K-means centroid clustering over generated points.
Tabu search evolution
An attempt to solve the zen garden puzzle with tabu search and evolutionary methods.
Share YouTube videos to e-mails
Electron front end that quickly sets shared e-mails for many YouTube videos. Archived.
Network and broadcast in C
Small C program that calculates network, broadcast and number of connectable devices from any IP and mask. There is a written walkthrough of the maths.
A presentation, and the dark side of Apple
A presentation covering the Right to Repair and, on a related note, the dark side of Apple.
Street Fighter style browser game
Vanilla JavaScript fighting game inspired by Street Fighter. First JavaScript project, built on the MVC pattern. Playable in the browser.
Personal website with CockpitCMS
A complete modern personal website built on CockpitCMS and Svelte, with developer documentation covering hierarchy, CMS, Svelte, performance, SEO and deployment.
First C programming classes
School projects and exercises from very basic programming classes in C.
Animated typography story in Blender
High school graduation project: a 3D animated story set in a world of letters, modelled, animated and rendered in Blender.
26+ daily automations
More than 26 AutoHotkey scripts for repetitive digital chores: window layout, keybinds for animation and video software, bulk export, ticket buying and more.
Social network concept on the theme of "thread"
Brand and interface concept for a social network themed around a thread, a closing exam project from May 2018.
Logo for a cooperation of schools
The task was to invent a logo for a cooperation of schools that had no name yet, February 2018. Includes the drafts and the defence.
Travel agency logo concept
Logo concept for the travel agency Slniečko ("little sun"), November 2018.
BS servis, Braňo Kúzelník, BUST design
Early client websites designed and coded by hand: a textile service, a magician and a design studio.
Competition logo concept
Competition logo concept for a cultural house, November 2017. They never called back, but the logo is still good.
Energy drink concept
Brand and packaging concept for an energy drink, a closing exam project from May 2017.
Traditional craft
Acrylic and oil on canvas, focused on expressionism and portraits, plus hand-built costumes and props from fabric and EVA foam.
Logo for a graphic design competition
Logo for the ZENIT graphic design competition in Slovakia, created for the competition itself in October 2017, with a design manual.
In the making since 2016
An animated series I have worked on extensively since early 2016, about the time I started learning Japanese (unrelated). Restarted from scratch in 2020 for artistic improvement and mostly on hiatus since 2021. Updates appear on the ayu_animations Instagram.
Try removing one of these:
GitHub numbers snapshot: 2026-10-06. github.com/iairu ↗
