Playground

Experimental tools, creative coding projects, and fun applications. A space where engineering meets creativity and ideas come to life.

KSeFka

Try it

A free desktop invoicing application with full integration with Poland's national e-invoice system (KSeF). Simplifies invoice creation, receipt, and synchronization while keeping all data stored locally in SQLite with no intermediary servers or subscription fees.

HomeKaraoke

Try it Code

A desktop karaoke application for macOS and Linux that lets you search, queue, and sing your favorite songs. Features smart drag-and-drop playlists, multi-display support for projectors, and persistent window layout memory across different display configurations.

Decision Remedy

Try it Code

A decision making tool that helps you analyze complex choices using proven algorithms, structured frameworks and behavioral psychology.

More Coming Soon

The playground is constantly evolving with new experiments, tools, and creative projects. Follow along for updates or suggest ideas you'd like to see built.

Suggest an Idea Follow on GitHub