Linux ~ Lynux Works ~ Symbian

1. Mobile Base Station OS: Ericsson ,Samsung ,Motorola
2. Server OS: OpenBSD ,FreeBSD ,Linux ,Apache ,OSDL
3. Networked & embedded OS: Embedded Linux Consortium ,Embedded Linux IDE ,TimeSys , Linux Kernel
4. Mobile phone OS: Symbian, dedicated mobile phone OS
5. Sensor OS: TinyOS, dedicated sensor OS
6. For configurable processors: Micrium
7. Real-Time: QNX