Portfolio and shop for a working painter. A page per painting, checkout in the artist's own account, and no monthly platform fee. Deliberately portable — it can pick up and move hosts in an afternoon.

An offline-first Android app used in the field by medical escort crews. Works with no signal at 38,000 feet, encrypts records on the device, reconciles when it finds a network, and produces a finished PDF at the end of a case.

A cabin altitude logger carried on real sectors, a LoRa mesh of sensor nodes, and a set of ADS-B receivers feeding public flight-tracking networks. Firmware, storage that survives power loss, and the dashboards that watch the lot.