01 / SOVEREIGN MESSAGING · 0.4.2 BETA
Komms ↗
End-to-end encrypted messaging with a server-independent core. Works over the internet, LoRa, or a USB stick in a coat pocket.
01 / The archive
Work, in the open.
Client delivery lives at Kastro. Independent products and experiments stay public, including the ones that didn’t stick. New client work is paused.
Client work / 2024–26
Kastro.
The independent studio behind my client websites, Kastro Labs, and a growing product archive. New client work is paused while I focus on a full-time role, but the work and products remain public.
Visit the studio ↗Shown: IcelandTravelAgency.is, from the client archive.
2026
IcelandTravelAgency.is
A calm, mobile-first tourism site with a clear booking path for a Reykjavík travel operator.
20261world.is
A fast, inquiry-led marketplace for an Icelandic used-machinery broker.
2026Hreinsivélar.is
A product and lead-generation site for autonomous cleaning robots, designed and managed end to end.
2024Ansjósur
A full Shopify build covering catalog, payments, shipping, and the customer journey.
02 / Independent products
Built. Shipped. Sometimes parked.
The current record, including the alpha, the live service, and the honest endings.
02 / DOMAIN TRUST · LIVE
dmark by Kastro ↗
SPF, DKIM, DMARC, BIMI and report parsing: evidence that your domain isn't trivially spoofable.
03 / NETWORK SAFETY · ON HOLD
Netfriður ↗
Managed home-network safety for Icelandic families. Parked indefinitely: good idea, wrong year.
04 / BACKUP & RECOVERY · FOLDED
Recover.is ↗
Iceland-hosted immutable backup, built end to end, then folded into RunAtlas. Shipping it taught me more than keeping it would have.
03 / Kastro Labs