Abassi
专有
闭
嵌入式
活跃
AVR32, ATmega, ColdFire, Cortex-A53, Cortex-A9, Cortex-M0, Cortex-M3, Cortex-M4, MSP430, PIC32, TMS320C2000, 80251, 8051
www.code-time.com/products.html
Amos
专有
?
商业
闭
680x0, 683xx, x86 via emulation
www.alphamicro.com
AdAstra-RTK
BSD 3-clause
开
嵌入式
活跃
Cortex-M3-M4-M7-H7, STM32
adastra-soft.com
AMX -RTOS
专有
闭
嵌入式
活跃
680x0, 683xx, ARM, ColdFire, MIPS32, PowerPC
www.kadak.com/rtos/rtos.htm
Apache Mynewt
Apache 2.0
开
嵌入式
活跃
ARM Cortex-M, MIPS32, Microchip PIC32, RISC-V
mynewt.apache.org
Arm OS
Apache 2.0
开
嵌入式
活跃
Cortex-M, Cortex-R, Cortex-A
os.mbed.com
uKOS
GNU GPL
开
嵌入式
活跃
Cortex-M3-M4-M7-H7, 6833x, PIC, CSEM icyflex-1, STM32
www.ukos.ch
ARTOS (Locamation)
专有
闭
电力系统自动化
活跃
x86
www.locamation.com
ARTCOS (Robotu)
专有
?
嵌入式, 机器人
不复存在
ARM9+
www.robotu.com/ARTOS/Welcome.html
Atomosher
BSD
开
嵌入式
活跃
AVR, STM8, ARM, MIPS
atomthreads.com
AVIX
专有
闭
嵌入式
活跃
Atmel AT91SAM3(U/S), EFM32, NXP LPC1300-1700, ST Micro STM32, Texas Instruments LM3S, Toshiba TMPM330, Microchip PIC32MX-PIC24F-PIC24H-dsPIC30F-dsPIC33F
www.avix-rt.com
BeRTOS
modified GNU GPL
开
嵌入式
archived
ARM, Cortex-M3, ARM ARM7TDMI, Atmel AVR, PowerPC (emu), x86 (emu), x86-64 (emu)
www.bertos.org
BOOS-Mooch Core
GNU GPL
开
嵌入式
活跃
ARMv5TEJ (TI AM18x), DSP (TI TMS320C64x)
www.baigudin.software/boos/
BRKos
MIT
开
嵌入式
活跃
Freescale Kinetis (ARM Cortex-M4), Freescale Coldfire V1, Freescale HCS08, ST STM32F4xx (ARM Cortex-M4F), NXP LPC11xx (ARM Cortex-M0), NXP LPC176x (ARM Cortex-M3), Renesas RX600 (RX62N), Texas Instruments MSP430, Texas Instruments Stellaris LM3S8968 (ARM Cortex-M3), Texas Instruments Stellaris LM4F120H5QR (ARM Cortex-M4F), Atmel ATMEGA328/128 and Microchip PIC18
github.com/brtos/brtos
CapROS
GNU GPL
开
嵌入式
活跃
IA-32, ARM9
www.capros.org
Cesium RTOS
专有
source available to licensees
嵌入式
活跃
ARM7-9-11/Cortex-M1-3-4-7-A8/9, AVR, HC11/12/S12, ColdFire, Blackfin, MicroBlaze, NIOS, 8051, x86, Win32, H8S, M16C, M32C, MIPS, 68000, PIC24/dsPIC33/PIC32, MSP430, PowerPC, SH, StarCore, Renesas RX100-200-600-700, RL; STM32
www.weston-embedded.com/products/cesium
ChibiOS/RT
Mixed, GNU GPL or 专有
开
嵌入式, 体积小
活跃
x86, ARM7, ARM9, Cortex-M0-M3-M4, PowerPC e200z, STM8, STM32, AVR, MSP430, ColdFire, H8S
www.chibios.org/dokuwiki/doku.php, sourceforge.net/projects/chibios
ChorusOS
?
?
?
不复存在
SPARC, x86, PowerPC
docs.sun.com/app/docs/prod/chorus5
ChronOS
GNU GPL
开
研究，一般用途
活跃
x86, ARM
chronoslinux.org
CoActionOS (now Stratify OS)
Modified GNU GPL or 专有
开
嵌入式
不继续
ARM Cortex-M3, LPC17xx
www.coactionos.com
cocoOS
BSD
开
嵌入式
活跃
AVR, MSP430, STM32
www.cocoos.net
Concurrent CP/M,became MP/M
专有
闭 (meanwhile: 开)
通用型、工业型
历史性
8080, Z80, 8086
Digital Research
Concurrent DOS,became Multiuser DOS
专有
闭
通用型、工业型
不复存在
8086, 286, 386, 68000, (also 8080/Z80 in dual-processor variants)
Digital Research
Contiki
BSD
开
嵌入式, WSN
活跃
MSP430, AVR, ARM
www.contiki-os.org
COS
专有
闭
过程控制
不复存在
GEC 4000 series
?
CooCox CoOS
BSD
开
通用型
不活跃
STM32, NXP LPC1000, TI LM3S8962, Nuvoton NU1xx,Holtek HT32
www.coocox.org/CoOS.htm
Deos
专有
闭
安全关键
活跃
x86, PowerPC, MIPS
www.ddci.com/products_deos.php
DioneOS
专有
可供许可人
嵌入式
活跃
MSP430, MSP430x
www.elesoftrom.com.pl/en/os
distortos
Mozilla
开
嵌入式
活跃
ARMv6-M architecture (ARM Cortex-M0, ARM Cortex-M0+, ARM Cortex-M1): STM32F0, STM32L0; ARMv7-M architecture (ARM Cortex-M3, ARM Cortex-M4(F), ARM Cortex-M7(F)): STM32F1, STM32F4, STM32F7, STM32L4
distortos.org
DNIX
专有
闭
通用型
不复存在
68000
?
dnx RTOS
GNU GPL, modified GPL, BSD
开
嵌入式 (Unix-like)
活跃
ARM Cortex-M3, STM32
www.dnx-rtos.org
GEC DOS
专有
闭
过程控制
不复存在
GEC 4000 series
?
DSOS
?
?
?
不复存在
TI-980A minicomputer
?
DSP/BIOS
Free
闭, available with license
通用型
maintenance only
Mostly Texas Instruments C2800, C5500, C6000 and OMAP DSP cores. Replaced by TI-RTOS, but available for download.
www.ti.com/tool/dspbios
DSPnano RTOS
混合, 开源和 商业
开
MCU, DSC, DSP SoC
活跃
R8C, M16C, PIC24, dsPIC33
www.rowebots.com/products/dspnano
DuinOS
Modified GNU GPL
开
通用型
活跃
AVR (Arduino)
code.google.com/p/duinos
eChronos
CSIRO BSD MIT
开
嵌入式
活跃
ARM Cortex-M3 - M7
https://ts.data61.csiro.au/projects/TS/echronos/
eCos
Modified GNU GPL
开
嵌入式
活跃
ARM-XScale-Cortex-M, CalmRISC, 680x0-ColdFire, fr30, FR-V, H8, IA-32, MIPS, MN10300, OpenRISC, PowerPC, SPARC, SuperH, V8xx
ecos.sourceware.org
eCosPro
Modified GNU GPL or eCosPro license
开 with非免费的部分
嵌入式
活跃
ARM7-9, Cortex-A5-A9-M3-M4-M7, 680x0-ColdFire, H8-H8S, IA-32, MIPS32, MIPS64, microMIPS, NIOS II, OpenRISC, PowerPC, SPARC, SH4/4A, TILE-Gx, XScale
www.ecoscentric.com/ecos/ecospro.shtml
embOS
专有
闭，可供客户使用，非商业用途的代码免费。
嵌入式, 工业, IoT, 安全关键
活跃
ARM7/9/11, ARM Cortex-A/R/M, AVR, AVR32, C16x, CR16C, ColdFire, H8, HCS12, M16C, M32C, MSP430, NIOS2, PIC18/24/32, R32C, R8C, RISC-V, RL78, RH850, RX100/200/600/700, RZ, SH2A, STM8, ST7, V850, 78K0, 8051
www.segger.com/embos.html
Embox
BSD
开
嵌入式
活跃
ARM, LEON, MicroBlaze, MIPS, PowerPC, x86
github.com/embox/embox
Embkernel
GNU LGPL
开
嵌入式
活跃
ARM Cortex M
sourceforge.net/p/embkernel
ERIKA Enterprise
GPL and GPL linking exception
开
嵌入式
活跃
ARM7, ARM Cortex-M, ARM Cortex-A (on Jailhouse hypervisor), Hitachi H8, Altera Nios2, Microchip dsPIC (including dsPIC30, dsPIC33, and PIC24), Microchip PIC32, ST Microelectronics ST10, Infineon C167, Infineon Tricore, Freescale PPC e200 (MPC 56xx) (including PPC e200 z0, z6, z7), Freescale S12XS, EnSilica eSi-RISC, AVR, Lattice Mico32, MSP430, Renesas RX200, x86-64 (on Jailhouse hypervisor)
www.erika-enterprise.com
EUROS
专有
闭
嵌入式
活跃
8/16/32 bit processors: among others AVR, 8051, XC800, 16FX, XC166, ARM, Cortex-M3, PowerPC, Nios II, MIPS32, PIC32
www.euros-embeded.com
EROS
Modified GNU GPL
开
试验性
研究用途
dormant
IA-32
www.eros-os.org
F9 microkernel
Modified BSD
开
嵌入式
maintenance
ARM Cortex-M3/M4
github.com/f9micro/f9-kernel
Femto OS
GNU GPLv3
开
嵌入式
活跃
AVR
www.femtoos.org
Flexible Safety RTOS
专有
闭, 提供给客户
嵌入式, 安全关键
活跃
ARM9, ARM Cortex-M, ARM Cortex-R, ARM Cortex-A, ColdFire, QorIQ, Infineon TriCore, Infineon AURIX
www.embeded-office.com
FlexOS
专有
闭
通用型、工业型, POS
不复存在
186, 286, 386, V60, V70, 68000
Digital Research, Novell
FreeOSEK
GNU GPLv3
开
嵌入式
活跃
Cortex-M4, MIPS, MSP430, SPARC LEON3
github.com/ciaa/Firmware
FreeRTOS
MIT
开
嵌入式
活跃
ARM, AVR, AVR32, ColdFire, ESP32, HCS12, IA-32, Cortex-M3-M4-M7, Infineon XMC4000, MicroBlaze, MSP430, PIC, PIC32, Renesas H8/S, RX100-200-600-700, 8052, STM32, TriCore, EFM32
www.freertos.org
Frosted
GNU GPL
开
嵌入式, 符合POSIX标准，类似于unix
活跃
ARM Cortex-M
https://gitlab.com/insane-adding-machines/frosted
Fuchsia
Varies
开
嵌入式
活跃
AArch64, x86-64
fuchsia.dev
FunkOS
modified Sleepycat License
开
嵌入式
活跃
AVR, MSP430, Cortex-M3
funkos.sourceforge.net
Fusion RTOS
Free
?
半-通用型
活跃
ARM, Blackfin, StarCore, DSP 56800E
FX-RTOS
专有
提供源码
嵌入式
活跃
ARMv6-M (Cortex-M0/M1), ARMv7-M (Cortex-M3), ARMv7-A (including Cortex A9 MPCore), x86, AVR32, PIC32, MIPS M4K, TI MSP430
rtos.eremex.com/products, fxrtos.ru
HeartOS
专有
闭
安全关键
活跃
x86, PowerPC, ARM
www.ddci.com/products_heartos.php
Helium
GNU LGPL
开
嵌入式
活跃
HCS08, AVR
helium.sourceforge.net
HP-1000/RTE
?
?
?
?
?
www.hp.com/products1/rte/tech_support/documentation
Hybridthreads
?
开
FPGA
活跃
Xilinx Virtex-II Pro ML310, Xilinx Virtex-II Pro XUP
hthreads.csce.uark.edu/wiki/About_Hthreads
hyperCOS
?
免费评估(不开)
嵌入式
活跃
ARM7, ARM9, Cortex-R, Cortex-M3, Cortex-M4F
socware.net
IBM 4680 OS
专有
闭
通用型、工业型, POS
不复存在
286
IBM (DR Concurrent DOS 286 derivative)
IBM 4690 OS
专有
闭
通用型、工业型, POS
活跃
286, 386
IBM (DR FlexOS 286/386 derivative)
INTEGRITY
专有
闭
嵌入式
活跃
ARM, XScale, Blackfin, ColdFire, MIPS, PowerPC, x86
www.ghs.com/products/rtos/integrity.html
INtime
专有
闭
嵌入式
活跃
x86
www.tenasys.com/intime
IntrOS
MIT
开
嵌入式, 体积小
活跃
ARM Cortex-M, STM8, AVR8
github.com/stateos/IntrOS
ITRON, µITRON
Varies
不一而足
嵌入式
活跃
ARM, MIPS, x86, Renesas RX100-200-600-700-others
www.tron.org, www.t-engine.org
ISIX
GNU LGPL
开
嵌入式
活跃
Cortex-M3
bryndza.boff.pl/index.php?dz=rozne&id=isixrtos
iRTOS
GNU LGPL
开
嵌入式
活跃
AVR, ARM7
irtos.sourceforge.net
KolibriOS
GNU GPL
开
嵌入式
活跃
x86
www.kolibrios.org
Kithara RTS
专有
闭
通用型、工业型
活跃
Windows extension, x86, x86-64, Windows XP-10
www.kithara.de
Lepton
Mozilla
开
嵌入式
活跃
ARM9 (ATMEL AT91SAM9261, AT91SAM9260), ARM7 (ATMEL AT91SAM7x, AT91SAM7SE, AT91M55800), CortexM3 (ST STM32F103, Texas Instrument Stellaris) et CortexM4 (Freescale Kinetis)
github.com/lepton-distribution/lepton
LithOS
专有
?
嵌入式, 工业
活跃
LEON2-3-4, x86
www.fentiss.com, www.xtratum.org
LxWin
专有
闭
MS Windows 扩展
活跃
x86
https://www.acontis.com/lxwin.html
LynxOS
专有
源码可得
嵌入式
活跃
Motorola 68010, x86/IA-32, ARM, Freescale PowerPC, PowerPC 970, LEON
www.lynuxworks.com/rtos
Maestro
专有
闭
嵌入式
活跃
ARMv7-A, ARMv8-A, PowerPC64, IA-32
www.hipperos.com/maestro
Mark3
BSD
开
嵌入式
活跃, beta
?
www.mark3os.com
MaRTE OS
GNU GPL
开
嵌入式
活跃
IA-32
marte.unican.es
MAX II,IV
专有
?
?
?
MODCOMP II, IV, ...
?
MenuetOS
GNU GPL
开
?
活跃
IA-32
www.menuetos.net
Menuet 64
专有
未知
?
活跃
IA-32, x86-64
?
MicroC/OS-III
Apache 2.0
开
嵌入式
活跃
ARM7-9-11/Cortex-M1-3-4-A8/9, AVR, HC11/12/S12, ColdFire, Blackfin, MicroBlaze, NIOS, 8051, x86, Win32, H8S, M16C, M32C, MIPS, 68000, PIC24/dsPIC33/PIC32, MSP430, PowerPC, SH, StarCore, Renesas RX100-200-600-700, RL; STM32, …
micrium.com/rtos/kernels
Milos
GNU GPL
开
嵌入式
活跃
Cortex-M3
www.milos.it
miosix
GNU GPL
开
嵌入式
活跃
stm32, efm32 e LPC2000
www.miosix.org
mipOS
专有
开
嵌入式
活跃
Cortex-M3, ST7, STM8, x86
sites.google.com/site/eantcal/home/mipos
Microsoft Invisible Computing (MMLite)
专有
开
嵌入式
活跃
ARM7-9, i386, h8, mips, Trimedia, eCog1
research.microsoft.com/invisible
mLithOS
专有
?
嵌入式, industrial
活跃
LEON2-3-4, x86
www.fentiss.com, www.xtratum.org
MP/M
专有
闭 (源码可提供)
通用型、工业型
不复存在
8080, Z80, 8086
Digital Research
MQX
专有
免费提供源代码
嵌入式
活跃
Freescale Power, ColdFire, Kinetis Cortex ARM, List of Freescale products
www.freescale.com/mqx
MERT
?
?
?
不活跃
PDP-11
?
Multiuser DOS
专有
闭
通用型、工业型
不复存在
386
Digital Research/Novell, Concurrent Controls, Datapac, IMS (see REAL/32)
Nano-RK
Mixed
开
嵌入式, WSN
活跃
AVR, MSP430
www.nanork.org
Neutrino
专有
提供一些源代码
microkernel
活跃
ARM, MIPS, PPC, SH, x86, XScale
www.qnx.com/products/neutrino_rtos
NI Linux Real-Time
专有
从开源开发
数据采集和过程控制
活跃
National Instruments CompactRIO controllers
www.ni.com/white-paper/14627/en/
nOS
Mozilla
开
嵌入式
活跃
AVR, MSP430, Cortex-M0-M3-M4, M16C, RX600, PIC24, Win32, POSIX, STM8
github.com/jimtremblay/nOS
Nucleus RTOS
专有
提供源码
嵌入式
活跃
ARM (Cortex-M3-M4-R4-R4F-A8-A9, ARM7-9-11), PowerPC, MIPS32-16e, microMIPS, ColdFire, SuperH
www.mentor.com/embedded-software/nucleus
NUFR
Modified BSD
开
嵌入式
活跃
ARM (Cortex-M0,-M3,-M4), MSP430, MSP430X (16- and 20-bit models)
ragingdist.org
Nut/OS
BSD
开
嵌入式, 工业
活跃
AVR, AVR32, ARM7, ARM9, Cortex-M3
www.ethernut.de/en/firmware/nutos.html
NuttX
BSD
开
嵌入式, 体积小
活跃
Linux user mode, ARM7-9, Cortex-A5-A8-A9-M0-M3-M4-M7, 8052, Espressif ESP32, Lattice LM32, Renesas MC16C/26/SH-1, RISC-V , Zilog Z16F, Zilog eZ80 Acclaim!, Zilog Z8Encore!, Z80, MIPS PIC32MX, PIC32MZ
www.nuttx.org
OpenEPOS
专有
开
嵌入式
活跃
ARM, x86, AVR, MIPS, PowerPC
epos.lisha.ufsc.br
OS20
专有
闭
嵌入式 (STB)
纯维护
ST20
?
OS2000
专有
?
嵌入式
活跃
MIPS (Baget-MIPS variant), KOMDIV-32, KOMDIV-64, Intel BSPs (x86 architecture)
www.niisi.ru/otd07.htm
OS21
专有
源码可提供
嵌入式 (STB)
活跃
ST40/SH4,ST200,ARM
?
OS4000
专有
闭
过程控制
仅维护
GEC 4000 series
?
OpenRTOS
专有
源码可提供
嵌入式
活跃
Same as FreeRTOS
www.highintegritysystems.com/rtos/openrtos
OSA
BSD
开
嵌入式
活跃
PIC10-PIC24, AVR 8-bit, STM8
wiki.pic24.ru/doku.php/en/osa/ref/intro
OSE
专有
客户可访问
通用型
活跃
ARM, PowerPC, x86, TI OMAP, …
www.enea.com/ose
OS-9
专有
客户可访问
嵌入式
活跃
ARM-strongARM, MIPS, PowerPC, SuperH, x86/Pentium, XSCALE, Motorola 6809, 680x0, SPARC
www.microware.com
OSEK
混合, 开源和商业
细则
说明
嵌入式
活跃
engine control units
www.osek-vdx.org (not working for a while), better refer to www.autosar.org
Partikle
专有
?
嵌入式, 工业
活跃
LEON2-3-4, x86
www.fentiss.com, www.xtratum.org
Phar Lap ETS
?
?
?
?
?
?
PaulOS
GNU GPL
开
嵌入式
?
?
paulos.2038bug.com
PICOS18
GNU GPL
开
嵌入式
?
PIC18
?
picoOS
Modified BSD
开
嵌入式
维护
6502, 80x86, ARM7, AVR, PowerPC,Cortex-M,MSP430,PIC32
picoos.sourceforge.net,github.com/AriZuu/picoos
Piko/RT
Modified BSD
开
嵌入式
活跃
ARM Cortex-M3/M4
github.com/pikort/pikoRT
Pharos
Apache 2.0
开
嵌入式, 工业, 安全关键
活跃
ARM (ARM926, Cortex-R5, Cortex-M4, Cortex-A53 - 64 bits), RISC-V (64 bits) (all with memory protection)
sourceforge.net/projects/rtospharos/
Phoenix-RTOS
专有
?
嵌入式
?
ARM7, IA-32, eSI-RISC
www.phoenix-rtos.org
PikeOS
专有
客户可访问
可认证的安全与保障, 嵌入式 虚拟化
活跃
PPC, x86, ARM, MIPS, SPARC-LEON,
www.sysgo.com/products/pikeos-hypervisor/rtos-technology/
Portos
专有
提供源码
嵌入式, 体积小
活跃
(ARM soon)
www.portos.org
POK
BSD
开
嵌入式
活跃
x86, PowerPC, SPARC
pok-kernel.github.io
PowerTV
专有
?
?
?
?
www.powertv.com
Prex
BSD
开
微内核
活跃
ARM, IA-32
prex.sourceforge.net
Protothreads
BSD
开
通用型
活跃
Architecture independent
dunkels.com/adam/pt/
pSOS
专有
?
?
不继续
680x0
?
QNX
专有
?
通用型, 医疗器械
活跃
IA-32, MIPS, PowerPC, SH-4, ARM, StrongARM, XScale
www.qnx.com
QP
双重, 开源和 商业
双重
MCU, DSC, DSP SoC
活跃
ARM7/9, ARM Cortex-M3-M0, MSP430, TMS320C28x, AVR, AVRXmega, ColdFire, 68HC08, M16C/R8C, H8, 8051, 80251, PIC18, PIC24/dsPIC33, Nios II, PSoC1
www.state-machine.com/qp
Quest
Apache 2.0
开
嵌入式 /混合关键性
活跃
x86
www.questos.org
Kaspersky OS
专有
?
安全关键, 虚拟化
活跃
?
?
Data General RDOS
专有
?
通用型
不复存在
Data General Nova, Data General Eclipse
?
ReaGOS
专有
闭, 可授予
嵌入式
活跃
x86, ATmega, ARM, portable
www.reagos.com
REAL/32
专有
闭
通用型、工业型
活跃
386
IMS (Multiuser DOS derivative)
RedHawk Linux (RHEL, CentOS; Ubuntu compatible)
专有
闭, 可授予
硬实时：服务器、工作站；嵌入式。
活跃
x86, ARM
www.concurrent-rt.com/products/redhawk-linux
Real-time Linux (CONFIG_RT_PREEMPT)
GNU GPLv2
开
通用型
活跃
same as Linux
www.osadl.org/Realtime-Linux.projects-realtime-linux.0.html, rt.wiki.kernel.org, wiki.linuxfoundation.org/realtime/start
REX OS
专有
闭, 可授予
嵌入式
不活跃
ARM
ja:REX OS
RIOT
GNU LGPL
开
嵌入式
活跃
ARM, MSP430, AVR, x86, RISC-V
www.riot-os.org
RMX
专有
闭
嵌入式
不复存在
8080, 8086, 80386 or higher
www.tenasys.com/rmx
RODOS
BSD
开
嵌入式
活跃
ARMv7 (M3, A8, A9), AVR32, PowerPC 405, sparc64
Platforms: SmartFusion2, RaspberryPi, STM32 On top of OS: Linux, Windows, MacOS, FreeRTOS, RTems
rodos download
RSX-11
专有
?
?
历史性
PDP-11
n/a
RT-11
专有
?
通用型
不复存在
PDP-11
n/a
RTAI
GNU GPL
开
通用型
活跃
x86 (with and without FPU and TSC), x86-64, PowerPC, ARM (StrongARM; ARM7: clps711x-family, Cirrus Logic EP7xxx, CS89712, PXA25x), m68k (supporting both MMU and NOMMU cpus)
www.rtai.org
RTEMS
modified GNU GPL
开
嵌入式
活跃
ARM, Blackfin, ColdFire, TI C3x/C4x, H8/300, x86, 68k, Milkymist SoC, MIPS, Nios II, PowerPC, SuperH, SPARC, ERC32, LEON, Mongoose-V
rtems.com
RTLinux
GNU GPL
开
通用型
不活跃
same as Linux
n/a
RTOS-32
专有, royalty free
源码可提供
嵌入式
活跃
x86
www.on-time.com
RT-Thread
Apache 2.0
开
嵌入式
活跃
ARM, ARM Cortex-M0-M3-R4-M4-M7, IA-32, AVR32, Blackfin, nios, PPC, M16C, MIPS (loongson-1b-1c, PIC32，xburst), MicroBlaze, V850, unicore32,
code.google.com/p/rt-thread, www.rt-thread.org
RTXC Quadros
专有
源码可提供
嵌入式
活跃
ARM - Atmel/Freescale/NXP/ST/TI, Blackfin, 680x0-ColdFire, PowerPC, StarCore, TI-Luminary Stellaris, TI OMAP, XScale
www.quadros.com/products/operating-systems
RTX, RTX64
专有
闭
MS Windows extension
活跃
x86, x86-64
www.intervalzero.com/rtx.htm
RTX Keil Real-Time Operating System
专有, 免版税
源码可提供
嵌入式
活跃
ARM
www.keil.com/arm/rl-arm/kernel.asp
Ruff
专有
闭
嵌入式,通用型、工业型, IoT
活跃
ARM, MIPS, x86
ruff.io/docs/faq.html
RX116
?
?
嵌入式, 工业
不复存在
NEC V20, NEC V30, NEC V40, NEC V50
first ITRON 1 compatible 16-bit RTOS
RX616
?
?
安全关键, 嵌入式, 工业
不复存在
NEC V60, NEC V70
32-bit ITRON compatible
RX-UX832
?
?
嵌入式, 工业通用
不复存在
NEC V60, NEC V70
32-bit Unix-like RTOS
SafeRTOS
专有
提供源代码和设计保证
嵌入式, 安全关键
活跃
Same as FreeRTOS
Same as FreeRTOS
SCIOPTA
专有
闭, 源码可提供
嵌入式, 安全相关
活跃
ARM, Cortex-M0-M3-M4, Cortex-R4, Cortex-A5, Cortex-A7, Cortex-A9, Cortex-A53, XScale, Renesas RX100, RX200, RX600, RX700, PowerPC, ColdFire, HCS12, M16C, Windows (simulation), Aurix TC2xx, BlackFin BF52x, BF70x
www.sciopta.com
scmRTOS
Free
开
嵌入式
活跃
ARM, Cortex-M3, Blackfin, MSP430, AVR, STM8
scmrtos.sourceforge.net
SDPOS
GNU LGPL
开
嵌入式
活跃
ARM, Cortex-M3, Blackfin, PIC18, PIC24, i386 win32/linux synthetic targets
www.sdpos.org
SHaRK
GNU GPL
开
?
不活跃
?
shark.sssup.it
silRTOS
Free
开
嵌入式
活跃
ARM, Cortex-M3 Cortex-A9 ARM-11MP, Blackfin, MIPS, AVR
spanidea.com/products.php
Simba
MIT
开
嵌入式
活跃, beta
Arduino Nano (AVR), Arduino Mega (AVR), Arduino Due (ARM), ESP8266, ESP32, cygwin/linux
simba-os.readthedocs.org/en/latest
SimpleAVROS
GNU GPLv3
开
嵌入式
活跃, beta
AVR only
n/a
SINTRAN III
?
?
?
?
Norsk Data computers
n/a
SOOS Project
Free
开
嵌入式
活跃, beta
H8/300
www.ingelec.uns.edu.ar/rts/soos
StateOS
MIT
开
嵌入式, 体积小
活跃
ARM Cortex-M, STM8
github.com/stateos/StateOS
Stratify OS
Modified GNU GPL or 专有
开
嵌入式
活跃
ARM Cortex-M3, M4
stratifylabs.co/Stratify-OS/
Symbian OS
Eclipse
开
嵌入式
不复存在
ARM
www.symbian.org
Talon DSP RTOS
专有
?
嵌入式 DSP
活跃
TMS320
www.blackhawk-dsp.com/Talon.aspx
TargetOS
专有
提供给客户
嵌入式
活跃
ARM, Cortus, Freescale ColdFire, PowerPC
www.blunkmicro.com/os.htm
T-Kernel
T-License
有源码
嵌入式 RTOS
活跃
ARM, MIPS, SH, more
www.t-engine.org
THEOS
?
?
?
?
?
www.theos-software.com
ThreadX
专有
用户可访问
?
活跃
ARC, ARM/Thumb, AVR32, BlackFin, 680x0-ColdFire, H8-300H, Luminary Micro Stellaris, M-CORE, MicroBlaze, PIC24-dsPIC, PIC32, MIPS, V8xx, Nios II, PowerPC, Renesas RX100, RX200, RX600, RX700, Synergy, SH, SHARC, StarCore, STM32, StrongARM, TMS320C54x, TMS320C6x, x86/x386, XScale, Xtensa/Diamond, ZSP
rtos.com/solutions/threadx/
TizenRT
Apache 2.0
开
嵌入式
活跃
ARM
github.com/Samsung/TizenRT
TI-RTOS Kernel (SYS/BIOS)
BSD
开
嵌入式
活跃
Mostly Texas Instruments: MSP430-432, C2000-5000-6000, TI's ARM families (Cortex M3-4F-R4-A8-A15), SimpleLink Wireless CC2xxx-CC3xxx
www.ti.com/tool/sysbios
Tock OS
Apache 2.0/MIT
开
嵌入式
活跃
ARM Cortex, RISC-V
https://www.tockos.org
Trampoline Operating System (OSEK and AUTOSAR)
GNU GPLv2
开
嵌入式
活跃
Arduino Uno (AVR - ATMega), Arduino Mega (AVR - ATMega), XPlainedPro (Cortex-M0+), Raspberry Pi 2 Model B (Cortex-A7), Olimex LPC-L2294-1MB (ARM7 - NXP LPC2294), Teensy31 (Cortex-M4), XPC56XX EVB + XPC56XL MINI-MODULE (PowerPC - MPC564xL), ZedBoard (RISC-V - PULPino), STM32F4DISCOVERY (Cortex-M4 - STM32F40x), Nucleo-32 (Cortex-M4 - STM32F30x), Cortex-M3 - SmartFusion2, virt-V7 (builds a firmware with TrampolineRTOS that can be used as a guest on the hypervisor XVisor)
github.com/TrampolineRTOS/trampoline
TNKernel
BSD
开
嵌入式
活跃
ARM, PIC24-32-dsPIC, HCS08, STM32 (Cortex-M3)
www.tnkernel.com
TNeo
BSD
开
嵌入式
活跃
Cortex-M0-M0+-M1-M3-M4-M4F, PIC24-32-dsPIC
github.com/dimonomid/tneo
Transaction Processing Facility
专有
?
通用型
活跃
IBM System/360 derivatives
www.ibm.com/software/htp/tpf
TRON project
Free
混合
mixed
活跃
any: is a specification, not an implementation
www.tron.org/index-e.html
TUD:OS
GNU GPL
开
?
活跃
ARM, IA-32, x86-64
demo.tudos.org/eng_about.html
Unison RTOS
混合, 开源和商业
开
MCU, DSC, DSP SoC, FPGA
活跃
Pic32, ARM Cortex (TI Stellaris Tiva Sitara, ST STM32, NXP LPC1X00, Freescale iMX6 Kinetis, Renesas RZ, RX600, SH2A, SH2AFPU, R32C, MIPS4K, {SHARC, ColdFire, Xilinx MicroBlaze, 专有}
www.rowebots.com/en/products/unison-rtos-article
UNIX-RTR
?
?
?
不复存在
PDP-11
?
uSmartx
BSD
开
嵌入式
?
ARM7TDMI, AVR, H8
usmartx.sourceforge.net
u-velOSity
专有
?
微内核
活跃
?
www.ghs.com/products/micro_velosity.html
velOSity
?
?
?
活跃
Power ISA, ARM/XScale, MIPS, x86/Pentium, ColdFire, Blackfin, OMAP, DaVinci
www.ghs.com/products/velosity.html
VAXELN
专有
闭
?
历史性
VAX
en.wikipedia.org/wiki/VAXELN
VRTX
专有
?
?
被Nucleus RTOS取代。
ARM, MIPS, PowerPC, RISC
www.mentor.com/embedded-software/nucleus
VxWorks
专有
?
嵌入式
活跃
ARM, IA-32, Intel 64, MIPS, PowerPC, SH-4, StrongARM, xScale
www.windriver.com/products/vxworks
Windows CE
专有
Microsoft Shared Source
嵌入式
活跃
x86, MIPS, ARM, SuperH
www.microsoft.com/windowsembedded
Windows 10 IoT
专有
?
嵌入式
活跃
Intel Atom, Celeron and Pentium, Qualcomm Snapdragon, Broadcom, NXP i.MX
www.microsoft.com/en-us/windowsforbusiness/windows-iot
Xenomai
GNU GPLv2
开
通用
活跃
x86, x86-64, PowerPC, ARM, Analog Devices Blackfin BF52x, BF53x, BF54x and BF56x
www.xenomai.org
XMK
BSD
开
嵌入式
不活跃-beta
?
www.integerfox.com/xmk
Simulink Real-Time
专有
闭
实时测试-嵌入式
活跃
x86
www.mathworks.com/products/simulink-real-time
Y@SOS
GNU LGPL
开
嵌入式
活跃
Cortex-M3, STM32
www.yasos.org
MontaVista Linux
GNU GPL
开
嵌入式
活跃
?
www.mvista.com
UNOS
?
?
?
历史性
680x0
?
uOS
GNU GPL
开
嵌入式
活跃
AVR, ARM, MIPS32, MSP430, Intel i386, Linux386
code.google.com/p/uos-embedded/wiki/about
Huawei LiteOS
BSD
开
嵌入式
活跃
ARM (M0/3/4/7, A7/17/53, ARM9/11), X86,RISC-V
www.huawei.com/minisite/liteos/en/about.html
Zephyr
Apache 2.0
开
嵌入式
活跃
ARM (Cortex-M0, Cortex-M3, Cortex-M4, Cortex-M23, Cortex-M33, Cortex-R4, Cortex-R5, Cortex-A53), x86, x86-64, ARC, RISC-V, Nios II, Xtensa
www.zephyrproject.org