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Top/Computers/Software/Operating Systems/Realtime |
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Realtime : |
| This category has information on only RealTime Operating Systems (RTOSs), and closely related material.
Realtime systems are not the same as embedded systems. Realtime OSs can be used in general purpose computers, and in embedded types. Some embedded OSs are not realtime, and cannot serve some uses.
Why segregate RTOSs so fully? Three clear reasons exist:
1) The functional divide between RTOSs and non-RTOSs is large, which profoundly effects design: all OSs must provide logically correct/precise results, but RTOSs must go beyond this and give temporal (time) correctness. RTOSs are the only logical and safe choice for time-critical uses.
2) More RTOSs than non-RTOSs (fewer non-RTOSs than RTOSs) are in use, in this solar system at least.
3) Directory user needs are different: those seeking information on RTOSs usually need no information on non-RTOSs, and vice versa, those interested in non-RTOSs usually need no information on RTOSs.
On this page, links are arranged in three groups and levels: 1) Top group: issues spanning multiple unrelated OSs. 2) Middle group: types or classes of OS, or OSs for which there are more than one instance of an OS of this name/type, an OS family. 3) Bottom group: specific OSs, individual instances; there is only one OS of this name/type. |
| Associated Categories for
Realtime |
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33 web sites matced for Realtime |
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On Time Informatik GmbH
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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.
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SW Datentechnik GmbH
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Realtime software, hardware, services: QNX, SQL, multiplatform RAD, portable UNIX-Windows, networking, RAID, multiport.
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KADAK Products Ltd.
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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.
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VITA
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The VMEbus International Trade Association
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VenturCom, Inc.
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Enabling Windows NT and Windows CE for embedded and real-time applications
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Micrium, Inc.
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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.
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JMI Software Systems, Inc.
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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.
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Salvo
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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.
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Wind River Systems, Inc.
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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.
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NexGen Software
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French software house that designs and markets an Open Embedded TCP/IP suite designed for demanding embedded applications: TCP, HTTP, PPP, VoIP.
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CMX Company
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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.
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Tics Realtime
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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.
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AI Lab Zurich: Links: Embedded and Real-Time Systems
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Medium-size link page; several categories.
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TenAsys Corp.
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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.
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OS-X
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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.
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Melody
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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.
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Quadros Systems, Inc.
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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.
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SCIOPTA RTOS
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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.
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C Kernel
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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]
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Folsena Microsystems
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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.
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Fusion RTOS
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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.
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XPOLYPLUS
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A realtime OS and development system for developing programs for industrial automation, telecontrol, machine automation. English, Italian.
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Micrium uC/OS-II Simulator
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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.
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IRIX REACT
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A real-time extensions that are standard with SGI's IRIX Unix OS. By Silicon Graphics, Inc.
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embOS
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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.
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SMX
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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.
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CsLEOS
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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.
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MQX
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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.
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SMX
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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.
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TurboTask RTOS
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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.
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Jaluna OSware
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Virtualization platform that allows embedded products to run heterogeneous operating systems and applications.
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Enea Embedded Technology
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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.
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Wind River
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Provider of integrated embedded Realtime Operating System ( RTOS ) software systems including the Tornado development environment, VxWorks RTOS, and IxWorks RTOS. Wind River is ISO-9001 compliant.
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