Projects

What I'm building.

Software and tools I build and maintain under Six Fathoms. Found a bug? Open an issue.

06
eelyos
eelyos.com

A cloud platform for coastal voyages — interactive map-based voyage recording, live vessel telemetry (NMEA 2000/0183), camera and VHF monitoring, and a captain's log. Built for the sailing vessel Eelyos.

Hosted product — not open source, but free to use.
- Marine
- Distributed systems
- High-performance SaaS
09
httpsig
zrz.io/httpsig

HTTP Message Signatures (RFC 9421) across Go, TypeScript, Java, Swift, and Kotlin. Sign the request, not the session — provable, per-request, tamper-evident API auth.

Playground · Source
- Security
- Distributed systems
12
laredo
zrz.io/laredo

Real-time data sync from PostgreSQL to in-memory targets — baseline snapshots, change streaming, pluggable targets, and replication fan-out.

Source
- Big data
- Distributed systems
- High-performance SaaS
15
lplex
sixfathoms.github.io/lplex

NMEA 2000 CAN bus bridge — SocketCAN to SSE with journal recording, cloud replication over gRPC, and an embeddable Go core.

Source
- Marine
- Distributed systems
18
marque
sixfathoms.github.io/marque

Approved access to production data, for people and for agents — submit a statement, have it rehearsed and analysed, have a human sign a scoped and expiring grant, then run exactly that. An agent gets a scope, never a credential.

Source

Design stage — decision records published, implementation not started.
- Security
- AI agents
- Distributed systems

More on the way. Find the open ones on GitHub under @zourzouvillys and @sixfathoms.