AMX (KADAK)
AvSYS Real-Time (Avocet Systems)
Blackhawk OS (Blackhawk)
BlueCat Linux (LynuxWorks)
BSD/OS (Wind River)
C Executive (JMI Software)
CMX-RTX, CMX-Tiny+, CMX-RTXS (CMX Systems)
Diamond (3L)
DR-DOS 7.03 (The SCO Group)
eCos (Red Hat)
Embedix RT (Lineo)
embOS (SEGGER)
ERCOSEK (ETAS)
eRTOS (JK Microsystems)
EUROS (EUROS Embedded Systems)
Eyrx (Eyring)
Fusion RTOS (DSP OS)
icWORKSHOP (Integrated Chipware)
INTEGRITY (Green Hills Software)
iRMX III, iRMX/INtime for Windows (TenAsys)
Jbed (esmertec)
Linux for Real-Time (OnCore Systems)
LynxOS (LynuxWorks)
mC/OS-II (Micrium)
Microwave OS-9 (RadiSys)
MontaVista Linux (MontaVista Software)
NetBSD Embedded (Wasabi Systems)
Neutrino (QNX Software Systems)
Nucleus uiPLUS, Nucleus OSEK, Nucleus PLUS (Accelerated Technology/Mentor Graphics)
On Time RTOS-32 (On Time Software)
OnCore OS (OnCore Systems)
OSE RTOS (OSE Systems)
OSEKturbo (Metrowerks/Motorola)
OSEKWorks (Wind River)
PDOS (Eyring)
pF/x (FORTH)
PharLap Real-time ETS Kernel (VenturCom)
pmDOS (Micro Digital)
Precise/MQX (ARC International)
PSMX Portable smx (Micro Digital)
pSOSystem 2.5/3 (Wind River)
PSX (JMI Software Systems)
PXROS (HighTec EDV-Systeme)
QNX (QNX Software Systems)
Quadros (RTXC)
QuickTask (Softools)
RAVEN (Aonix)
REAL/IX PX (MODCOMP)
Realogy Real-Time Architect (LiveDevices)
REALOS (Fujitsu Microelectronics)
Real-Time OS: DSP/BIOS (Texas Instruments)
Red Hat Embedded (Red Hat)
REDICE-Linux (REDSonic)
ROM-DOS (Datalight)
RTexec (Applied Dynamics International)
RTEMS (OAR)
RTKernel (On Time Software)
RTKernel-RISC (EBSnet)
RTX for Windows (VenturCom)
RTX51/RTX51 Tiny, RTX166/RTX166 Tiny (Keil)
Salvo (Pumpkin)
SKYmpx (SKY Computers)
smx/smx++ (Micro Digital)
Spartos (Ardro Engineering)
Starlight Linux (Auriga)
SuperTask (Lantronix)
TargetOS (Blunk Microsystems)
ThreadX (Express Logic)
Tics (TICS Realtime)
TimeSys Linux/RT, Real-Time Mach (TimeSys)
TronTask3.0 (Lantronix)
TTPos (TTTech Computertechnik)
TurboTask (Softools)
TxOS - Titanic (Incantation Systems)
VRTX (Mentor Graphics)
VSPWorks (Wind River)
VxWorks, VxWorks AE (Wind River)
Windows CE .NET, Windows XP Embedded (Microsoft)