Psion

The company that created the Organizer, the Series 3, and multiple other amazing devices that shaped early personal, portable computing. Some of their hardware is still around, still working decades after, which just goes to show that good machines last forever (in some ways, at least).

• pygenda - a recreation of the Series 3a/5 Agenda application in Python 3 and GTK
• Planet Computers Agenda - another recreation, for Android
• Java