From Hentschel
* Field Bus: EtherCAT, DeviceNet, RS-485, USB
* Operating systems: QNX, WindRiver vxWorks, Linux, RT-Linux, Free/OpenBSD, Windows
* Embedded Frameworks: RTSJ (Real-time spec for Java), Embedded Java, J2ME, WindRiver Workbench
* Networking: TCP/IP, HTTP, Websockets, DNS/BIND, REST, MultiCast
* GUI programming: SWT, GWT, NextStep/OpenStep