Express Logic, Inc.
Makes ThreadX RTOS, picokernel, portable, scaleable, preemption threshold, supports many processors from small microcontrollers to high-performance RISC and DSP; full IDE support from leading compiler/debugger makers. No royalty on all products. You Would also find info related to RTOS, ThreadX, FileX, NetX, embedded, kernel, RTOS, real-time, realtime, operating system, multi-tasking, multitasking, tcp/ip, file system, ARC, ARM, StrongARM, Strongarm, ARM Thumb, XScale, PowerPC, Power PC, ColdFire, Hitachi, R3000, R4000, R5000, x86 and much more.

Green Hills Software, Inc.
Sells, supports ThreadX, efficient, no-royalty, full C source, robust RTOS, gives realtime embedded developers technically advanced multitasking system, picokernel gives very high-performance with very small memory needs. You Would also find info related to Real-Time Operating System, rtos, thread, royalty free, context switch, multitasking and much more.

Oki Selects Express Logic’s ThreadX RTOS for ARM Microcontrollers
No royalty RTOS maker announces its ThreadX is selected by Oki Semiconductor as preferred for its new line of low-level 32-bit controllers using industry-leading ARM7TDMI processor, and related development systems. [Embedded Star] (October 6, 2003) You Would also find info related to embedded systems, rtos, embedded software development tools, sbc, single board computer boards and much more.