Makes pSOSystem, OSEKWorks, Virtuoso, VxWorks RTOSs (and BSD/OS). Merged with Integrated Systems, Inc., world leader in providing full embedded system software and design automation solutions: software, hardware, custom design, world-class support.

Growing article, with links to many related topics. Wikipedia.

The VMEbus International Trade Association

Hard realtime extension, under 30µs interrupt response times; for Linux, and standard with SGI IRIX Unix OS; Silicon Graphics, Inc. Open source.

Develops and distributes the OSE family of real-time operating systems and embedded development tools for high reliability telecom/datacom, medical, automotive and safety critical applications.

Specializes in real-time virtual machine technology that combines the Windows OS and a hard real-time OS on a single x86 PC compatible computer.

Enabling Windows NT and Windows CE for embedded and real-time applications

Makes Salvo RTOS, designed expressly for very low cost embedded systems with highly limited ROM and RAM (normal uses: 1-2K ROM, 50-100 bytes RAM) and/or no software stack. Priority-based, cooperative multitasking, event services, real-time delays.

Leading supplier of Java-compliant virtual machines for embedded and real-time systems.

Makes multitasking RTOS products: CMX-RTX (full RTOS), CMX-TINY+ (small RTOS), CMX-TCP/IP, CMXBug, CMXTracker. These support most 8/16/32/64-bit embedded controllers, processors, DSPs, over 30 compiler vendors.