Welcome. Small interfaces, tools and code art. Kahal is a soft twist on Cathal.
cathal@kahal:~$ whoami
Cathal Killeen. Software engineer based in Amsterdam.
cathal@kahal:~$ ls ~/works
- [game] malloc — Place blocks into an 8×8 heap; full rows and columns get freed. A daily seed. 2026
- [game] cursor-flap — Flap a cursor through the gaps. Space, click or tap. 2026
- [app] tarot — Shuffle the Rider-Waite-Smith deck and read a spread. A link is a reading. 2026
- [app] lunar-calendar — A month of moons — phase for every day, no API required. 2026
- [art] orbit-drift — A field of lazy orbits that lean toward the cursor. 2026
- [art] grid-fade — A pure HTML/CSS pulse across a soft lattice. 2026
cathal@kahal:~$ ls ~/links
[game] play it [app] a small tool [art] code art