The things you're made to rent — document editors, media servers, fleet-management platforms — should be owned outright, not billed monthly forever. Every project is a single self-contained program you run yourself: your data lives on your machine, encrypted at rest, unlocked by a key you already hold. No accounts, no cloud, no subscription, nothing phoning home.
Hespera
hespera.alexander4.ioA local app for your music, TV, and movies, with automatic metadata matching. A single Go binary that runs entirely on your machine — SQLite storage, no accounts, no external services required. AGPLv3
Explore the Hespera media appNib
nib.alexander4.ioA local-first, free, open-source PDF toolkit — merge, split, sign, redact, and more. It runs entirely on your machine: nothing leaves your computer, no account, no cloud. AGPLv3
Explore the Nib PDF toolkitVigo
vigo.alexander4.ioA distributed state enforcement engine. One server and one binary agent declaratively converge fleets of machines to a desired state across seven operating systems — self-hosted, with nothing phoning home. Proprietary
Explore Vigo state enforcementWedge
wedge.alexander4.ioA proof of concept for SSH-public-key web authentication. Log in to a website by signing a challenge with the SSH key you already have — no password at all. A single self-hosted Python server, with a live demo of every SDK. MIT
Explore the Wedge auth PoCZoetrope
zoetrope.alexander4.ioA smooth, configurable gaze target for eye-movement work — a desktop app that plays a playlist of patterns you shape to the session, a ball you set moving or hold still. It runs entirely on your machine, no account, no cloud. AGPLv3
Explore the Zoetrope gaze target