GASPO
| GASPO GmbH | https://gaspo-gmbh.ch |
| GASPO.education | https://lerne-programmieren.ch |
| Plane Spotter Notebook | https://www.plane-spotter-notebook.ch |
| GASPO Photos | https://gaspo-photos.ch |
Application development
| Agile methodology | https://scrum.org |
| iOS development | https://developer.apple.com/ |
| Swift | https://www.swift.org/ |
| SwiftUi | https://developer.apple.com/xcode/swiftui/ |
| Swift Playgrounds | https://www.apple.com/chde/swift/playgrounds/ |
| Xcode |