~ / work
All projects (34)
Public projects, grouped by what they are. Private sources are marked. Eight of them have a full case study.
AI and language (05)
- ↳ CzechCore Offline Czech grammar correction
- Music Analyzer Separates songs into six stems, with a player and per-stem volume mixing Python
- Transcriber Android M4A transcription with local and cloud models Kotlin · sherpa-onnx · Whisper
- Local Voice Local-first Android dictation, semantic editing and offline TTS Kotlin · Whisper
- Prompt engineering skill Turns tasks into prompts and agent rules with built-in verification criteria, for Claude Code, Codex and ChatGPT Python · Markdown
Developer tools (03)
- ↳ Project-Guard GitHub project audit
- GitHub issues and PR export Exports issues and pull requests with comments and images to deterministic Markdown Python · Playwright
- ByteNoise Tiny reversible text obfuscator with a desktop and web UI Python · Tkinter
Web (07)
- ↳ Project board Separates project phases from deployed versions
- ↳ RC Audio Lab An RC filter you can hear
- ↳ Band websites Exhalace and WeTheGods
- Media Downloader Downloads one audio or video file from a public URL, with a hardened backend Python · Flask · FFmpeg
- DownloadGithubDir Downloads a GitHub repository folder as a ZIP, entirely in the browser JavaScript · JSZip
- art_by_justyna Website for an artist HTML · CSS
- Petr Teplý One-page website for a commercial support business HTML · CSS
Android (10)
- ↳ SeliaScan Scan, save, share
- ↳ Selia Weather A forecast that names its sources
- ↳ Intoniva Offline instrument tuner
- SeliaSheets Private, offline-first study notebooks for phones and tablets Kotlin · Jetpack Compose · AndroidX Ink
- Selia Cycles Private offline period tracker Kotlin · Jetpack Compose
- SeliaLists formerly SheetSet Offline PDF organizer and setlist reader for musicians Kotlin · Jetpack Compose
- QR Code Scanner & Creator QR scanner and styled creator with on-device scanning Kotlin · CameraX · ZXing
- Location Mock Minimal mock-location control with no tracking Kotlin
- scrollit Floating auto-scroll utility Kotlin · Shizuku
- SumRead Screen-text overlay with on-device OCR and speech, and optional AI summaries with your own key (archived) Kotlin · Jetpack Compose · ML Kit
Browser extensions (05)
- Tab equalizer Per-tab audio equalizer for Chrome, Chromium and Brave JavaScript · Web Audio · MV3
- No Cookies & Ads Blocks ads, trackers, third-party cookies and cookie banners JavaScript · MV3 · AdGuard rules
- YouTube skipper Skips SponsorBlock community-reported segments JavaScript · MV3
- Songsterr auto continue Clicks Songsterr's free "continue with sync pauses" action JavaScript · MV3 · Playwright
- Tab copy Copies the URLs of selected tabs in order JavaScript · MV3
Earlier and small tools (04)
- Unit calculator Distance-to-time, temperature and weight conversions HTML · JavaScript
- Buffon's needle Monte Carlo simulation of Buffon's needle JavaScript · Chart.js
- QR code generator Static QR code generator JavaScript
- Wheel Spin-the-wheel decision helper HTML · JavaScript