"VIA Express" is compact, light-weight application intended to be used as
traveling evidence tool. It allows you to record and track your journeys and
(when paired with online service account) synchronise journey data with
online service or simply keep it in your mobile device.

Notation, composition & songwriting app for composing sheet music on the go.

Turn your smartphone or tablet into a modern baby monitor! (full version)

These two stories by Koos Rozemond, with English translations by Aart van den End.