Real-Time Executive for Multiprocessor Systems. Runs on: AMD 29K; Hitachi SH; HP PA-RISC; ix86, i960; m683x0, m680x0, mPPC, mColdfire; MIPS R46x0, SPARC. Multiple APIs: RTEMS, POSIX-Unix, uITRON. Written in Ada, C/C++. [Open Source]
Ring for this free real-time OS. Linked sites are somehow related to the OS, can be pages showing applications or products, research projects, and libraries ported to it.
Parent firm for RTEMS RTOS, open source, free, no royalty, full source code; and GNAT/RTEMS Ada95 compiler system useful for cross development. Support, training, custom development; founded 1978. Alabama, USA.
Development, training, support services for embedded hardware and software, especially based on RTEMS RTOS; founded 1987. English, Deutsch.
Personal page of Joel Sherrill, one of original authors, and current maintainer, of RTEMS; and R&D Director at OAR Corp. Much interesting material, useful links.