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RTEMS

Real-Time Executive for Multiprocessor Systems (RTEMS), formerly Real-Time Executive for Missile Systems, and then Real-Time Executive for Military Systems, is a real-time operating system (RTOS) designed for embedded systems. It is free and open-source software.

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Explore the main themes, entities and connections around RTEMS. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Available in
English
Default user interface
Command-line
Developer
OAR Corporation
Initial release
1993; 33 years ago (1993)
Kernel type
Real-time
Latest release
6.2 / December 19, 2025; 8 months ago (2025-12-19)

Topics to explore

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Overview

Design

Architectures

Uses

License

Advanced semantic analysis

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Map overview Semantic statistics

RTEMS

Nodes59
Edges58
Triples63
Avg. degree1.97
Density0.033898
Components1

How this topic connects Entity context

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RTEMS

Top relations

related to Architectures · 14
RTEMS → ARMAArch64Atmel AVRBlackfinFreescale, C3x/C4x DSPsIntel, ERC32, H8/300, IIOpenRISCPowerPCRenesas, LEON, M32C, M32R, NXP ColdFireTexas Instruments, Pentium, QEMUSPARC, RV64, SuperHRISC-V RV32, V9V850
related to Design · 13
RTEMS → API, Classic RTEMS API, FAT, File Allocation Table, FreeBSD Internet, Network File System, NFS, Portable Operating System Interface, POSIX, Real-Time Executive Interface Definition, RTEID, TCP/IP, The API
related to Uses · 13
RTEMS → ColdFire, Electra, EPICS, ESA's Trace Gas Orbiter, Industrial Control System, LEON, Mars, MIPS, NASA's Mars Reconnaissance Orbiter, Parker Solar Probe, PowerPC, SPARC ERC32, The Experimental Physics
related to License · 8
RTEMS → Ada, BSD, GNAT Modified General Public, GNU General Public License, GPL, GPL-2, License, This
Available in · 1
RTEMS → English
Default user interface · 1
RTEMS → Command-line
Developer · 1
RTEMS → OAR Corporation
Initial release · 1
RTEMS → 1993; 33 years ago (1993)
Kernel type · 1
RTEMS → Real-time
Latest release · 1
RTEMS → 6.2 / December 19, 2025; 8 months ago (2025-12-19)

Important terminology Word statistics

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Important terminology

systems system license real-time operating oar corporation embedded available open coldfire mips powerpc sparc erc32 leon including software early architectures

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
RTEMSAvailable inEnglish1.00infobox
RTEMSDefault user interfaceCommand-line1.00infobox
RTEMSDeveloperOAR Corporation1.00infobox
RTEMSInitial release1993; 33 years ago (1993)1.00infobox
RTEMSKernel typeReal-time1.00infobox
RTEMSLatest release6.2 / December 19, 2025; 8 months ago (2025-12-19)1.00infobox
RTEMSLicenseBSD 2 Paragraph1.00infobox
RTEMSMarketing targetEmbedded systems1.00infobox
RTEMSOfficial websitewww.rtems.org1.00infobox
RTEMSOS familyReal-time operating system1.00infobox
RTEMSRepositorygitlab.rtems.org/groups/rtems/1.00infobox
RTEMSSource modelOpen source1.00infobox
RTEMSSupported platformsARM, Blackfin, ColdFire, TI C3x/C4x, H8/300, x86, 68k, LatticeMico32, Microblaze, MIPS Nios II, OpenRISC, PowerPC, RISC-V, SuperH, SPARC (ERC32, LEON), SPARC641.00infobox
RTEMSWorking stateCurrent1.00infobox
RTEMSWritten inC1.00infobox

Related concept clusters Concept neighborhoods

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    Connections between topic areas Semantic bridges

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    Min side: 3
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