ChorusOS
ChorusOS, ChorusOS Open Source, Jaluna SA, Micro Kernel Reference: ChorusOS, Sun Announces ChorusOS 4.0 Software, Sun Microsystems, Inc.
EROS
EROS-OS.org, EROS: A Fast Capability System, EROS: A Principle-Driven Operating System from the, KeyKOS, The EROS Alternative, Verifying Operating System Security
Jbed
Esmertec, Inc., JBed: A Java-based Real-Time Operating System, JBED: Java for Real-Time Systems
L4
DROPS - The Dresden Realtime Operating System Proj, E1, Fiasco, L3-L4 Microkernel Family, L4 Microkernel, L4Ka Project, Mungi, Perseus, SawMill: A Highly-Configurable Operating System, SourceForge: L4Ka Microkernel
Linux
Finite State Machine Labs, Inc.: FSMLabs, KURT: KU Real Time Linux, Linux, Real-Time Linux, & IPC, LinuxDevices.com: KURT: The KU Real-Time Linux, Real Time Linux: Applications and Use, RTAI group, RTLinux.com, RTLinux.org, RTLinux: An Interview with Victor Yodaiken, Team Takes Different Path to Real-time Linux
LynxOS
Highlander Engineering: LynxOS VisiBroker release, LynuxWorks, Inc., README for XFree86 4.0.1 on LynxOS, README for XFree86 on LynxOS, ZNYX Networks: Drivers: LynxOS
Nucleus
Accelerated Technology's Nucleus RTOS Helps P, Accelerated Technology, ESD Mentor Graphics, ATI's Nucleus RTOS Integrates with Xilinx&apo, Embedded Company: Accelerated Technology, Insignia and Accelerated Technology Announce Licen, Nucleus RTOS, Nucleus RTOS Integrates with USB Package, USA Named Innovator of the Year
Open Source
CarbonKernel, E.R.I.K.A., EE Times: Open source code smooths RTOS design, FreeRTOS, Katix, Katix RTOS, Linux Journal: Open Source Software for Real-Time , MenuetOS, NicheTask, Nilsen Elektronikk AS
OS-9
DTR: Data Processing Technology Reischke, NitrOS-9, OS-9 Frequently Asked Questions List, OS-9 Samba File Manager, OS-9 World Wide Archive, RadiSys Corp., Real-Time Services, Inc.: RTSI
QNX
@julius OE6BPG, Dan Dodge and Gordon Bell: When Software Really, R, eQip: Embedded QNX on Intelligent Platforms, hexaZen, IBK-Consult, killerstuff.net - killer apps, Networking Guide, OpenQNX: The QNX Community Portal, PARSE Software Devices, Phoenix Developer Consortium
Research
Arx, Chimera, E.R.I.K.A., Mälardalen Real-Time Research Center, MaRTE OS, Ptolemy Project, Real-Time Mach, Real-Time Mach NTT, ReTiS Lab, RTG: Real Time Systems Group
Resources
Cheddar, Dedicated Systems: Real-Time Encyclopedia, Dedicated Systems: Real-Time Market overview, Dedicated Systems: RTOS buyer's guide, DOORS: Design of Object-Oriented Real-time Systems, E. Douglas Jensen's Real-Time for the Real Wo, FAQs comp.realtime, FORTS: Fault-Tolerant, Real-Time Systems, IEEE-CS TC-RTS, Real Time Operating Systems (RTOS) VxWorks, QNX an
RTEMS
Engineer's Office for Microcomputer Technolog, Joel's World, Mongoose V Information, OAR: On-Line Applications Research Corp., RTEMS Home, WebRing: RTEMS
ThreadX
Express Logic, Inc., Green Hills Software, Inc., Oki Selects Express Logic's ThreadX RTOS for
TRON
Accelerated Technology Appointed Official North Am, B-Free 0.0.20 Released, KROS, Personal Media Corp., The Most Popular Operating System in the World, TRON + Linux = T-Linux, TRON Association, TRON Association: North American Liaison Office, TRON Project Information, TRON Web
VxWorks
Embedded Systems VxWorks VoIP, Jungo Ltd.: DriverBuilder, VxWorks and Tornado II FAQ, Wind River Customer Support, Wind River Systems, Inc.
AI Lab Zurich: Links: Embedded and Real-Time Syste
Medium-size link page; several categories.
C Kernel
Realtime preemptive kernel coded fully in C, so is highly portable to different hardware platforms and easily embeddable; Descriptions, full source code, examples, C Style Guide and programming Guidelines. [Free]
CMX Company
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.
CsLEOS
A RTOS for high safety systems, brick-wall time, space partitioning of separate loaded programs with different levels of criticality, for greatly reduced test, certification costs, compliant to ARINC653 open system interface definition. By BAE Systems North America.
embOS
A RTOS for embedded uses, multitasking, minimum cost no royalty, fully interruptible, efficient for time critical uses, RAM and ROM needs are so small it fits one-chip uses, leaving more room for user programs. By Segger Microcontroller Systeme GmbH.
Enea Embedded Technology
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.
Eyring Corp.
Makes PDOS and EYRX deterministic, multitasking, fast RTOSs. PDOS for 68k Motorola and Force CPUs, tested, proven, multiprocessor, development tools and environment. EYRX: 32-bit, i386+, one processor, simple, lightweight, modular, scalable.
Folsena Microsystems
Makes Mavos preemptive, realtime micro (compact) OS; highly portable, is all one needs to run native and J2ME CLDC Java (VM) programs on embedded or wireless systems.
Fusion RTOS
A fast (190 cycle context switch), small (1-1.5 K), designed and optimized for next generation DSP systems; and Fusion Net (TCP/IP Stack), Fusion Web (services); all support priority based, realtime, preemptive, multitasking. By DSPOS, Inc.
IRIX REACT
A real-time extensions that are standard with SGI's IRIX Unix OS. By Silicon Graphics, Inc.
JMI Software Systems, Inc.
Makes C EXECUTIVE and PSX multitasking, ROMable kernels for embedded systems. C EXECUTIVE runs on 8/16/32 bit CISC CPUs, many RISC CPUs, DSPs, over 20 so far: fast context switching, compact. Options: DOS file system, TCP/IP, SNMP. PSX is a medium-size kernel, between small basic kernels and full Unix; optional subset of POSIX.1 system calls.
KADAK Products Ltd.
Makes AMX RTOS, KwikNet TCP/IP Stack and Web Server, KwikLook Fault Finder, KwikPeg GUI with graphics library. A high quality real-time software foundation for embedded products.
Melody
In safety-critical systems (nuclear power plants, automated robot control systems, automatic aircraft landing systems) tasks must meet deadlines, most of which are critical since the system cannot survive with some number of deadline failures of subsequent task instances. University Dortmund, Germany.
Micrium uC/OS-II Simulator
Environment for uC/OS-II RTOS on Win32 platform; has 2 main modules, run as normal programs: module 1 (WCOS) runs RTOS with embedded program, module 2 (WSim) has functions to run and control full simulation with any hardware platform.
Micrium, Inc.
Makes µC/OS, µC/OS-II (MicroC/OS, MicroC/OS-II), full source code, no royalty, free non-commercial use; other software for embedded use: Embedded Systems Building Blocks, µC/GUI for most 8- to 64-bit processors, µC/FS FAT filesystem.
MQX
RTOS, no royalty, tightly integrated RTCS TCP/IP network stacks, many communication and networking protocols; suite of components, tools for embedded use, device drivers, software-development tools.
NewMonics, Inc.
Leading supplier of Java-compliant virtual machines for embedded and real-time systems.
NexGen Software
French software house that designs and markets an Open Embedded TCP/IP suite designed for demanding embedded applications: TCP, HTTP, PPP, VoIP.
On Time Informatik GmbH
Makes RTOS-32, and realtime multitasking development tools, for x86-based embedded systems; no royalty, full source code available on all products. Supports Borland, Microsoft, Watcom C/C++ compilers; DOS, Win32 compatible API gives easy ports of extant programs.
OS-X
Priority-based, preemptive multitasking OS for Z80/Z180, written in TML2 and Z80 machine code; bank switched: can run processes in separate address spaces (memory banks), letting 16-bit Z80s run very many processes and host much software and data areas.
Quadros Systems, Inc.
Makes RTXC 3.2 and RTXC Quadros, for convergent processing in embedded uses. Seamless use with microprocessors, DSPs. Configurations: single stack, dual stack, multi stack; multicore, multiprocessing.
Salvo
The RTOS that Runs in Tiny Places: designed expressly for very low cost embedded systems with severely limited ROM and RAM and/or no software stack. Priority-based, cooperative multitasking, event services, and real-time delays. By Pumpkin, Inc.
SCIOPTA RTOS
Assembly coded high performance kernels, internet protocols (TCP/IP), filesystem, support for distributed systems, DRUID system level debugger. Supports most 32-bit processors; COMPACT is for 8/16-bit controllers. By Litronic AG.
SMX
No royalty, full featured, fast, preemptive kernel. Unlike generic C kernels, it exploits strengths of x86 architecture and makes them easily used by programmers. Optimal mix of speed, compactness, functions. Supports ColdFire, PowerPC, x86. By Micro Digital, Inc.
SMX
A no-royalty modular multitasking small footprint RTOS for embedded systems. Portable to all 32-bit processors; focuses on ARM, ColdFire, PowerPC, and x86. By Micro Digital, Inc.
SW Datentechnik GmbH
Realtime software, hardware, services: QNX, SQL, multiplatform RAD, portable UNIX-Windows, networking, RAID, multiport.
TenAsys Corp.
Makes iRMX family of real-time operating systems gives engineers ability to design reliable, RT applications for Intel Architecture processor-based systems: PC-compatible, embedded, Multibus and Multibus II computers.
Tics Realtime
Simple yet powerful; small yet flexible; comprehensive yet easy to use and understand. Modern message-based architecture. Introduced June 1992, many uses: cell phones, small handheld devices, large factory automation systems, Space Shuttle.
TurboTask RTOS
For Z80 and Z180 compatible processors; full-featured, tiny, size ranges from 1k to 2.5k, set by features used; written in pure Assembly, making it maximally small, fast; no royalty; low cost licenses for binary and full source code. By Softools, Inc.
Valid-653
Time/space partitioning RTOS for embedded systems in FAA DO-178B, IEC 61508, other safety-critical systems. Each program executes in separate Memory Management Unit (MMU) controlled partition on one processor.
VenturCom, Inc.
Enabling Windows NT and Windows CE for embedded and real-time applications
Wind River Systems, Inc.
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.
XPOLYPLUS
A realtime OS and development system for developing programs for industrial automation, telecontrol, machine automation. English, Italian.