FreeRTOS alternatives
As of 4 November 2026, 21 embedded os rtos are named by companies instead of FreeRTOS: Embedded Linux by 1,239 companies, Yocto Project by 638, Buildroot by 252.
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- FreeRTOS, companies in postings
- 489
- Most used alternative
- Embedded Linux · 1,239
- Fastest hiring, 90 days
- Embedded Linux
- Alternatives ranked
- 21
- Catalogue
- T-1.0.1-prov
embedded os rtos companies choose instead of FreeRTOS
Companies naming each tool in their own postings, and postings in the last 90 days. Bars are relative to the category leader.
| # | Alternative | Companies | companies | vs FreeRTOS | postings, 90 d | Compare |
|---|---|---|---|---|---|---|
| 1 | Embedded LinuxLinux Foundation | 1,239 | 253% | 3,131 | FreeRTOS vs Embedded Linux → | |
| 2 | Yocto ProjectLinux Foundation | 638 | 130% | 1,337 | FreeRTOS vs Yocto Project → | |
| 3 | BuildrootBuildroot | 252 | 52% | 435 | FreeRTOS vs Buildroot → | |
| 4 | AUTOSARAUTOSAR | 232 | 47% | 1,316 | FreeRTOS vs AUTOSAR → | |
| 5 | QNXBlackBerry | 186 | 38% | 897 | FreeRTOS vs QNX → | |
| 6 | VxWorksWind River | 185 | 38% | 1,116 | FreeRTOS vs VxWorks → | |
| 7 | U-BootDENX Software Engineering | 160 | 33% | 323 | FreeRTOS vs U-Boot → | |
| 8 | UEFIUEFI Forum | 116 | 24% | 597 | soon | |
| 9 | Green Hills INTEGRITYGreen Hills Software | 114 | 23% | 489 | soon | |
| 10 | ThreadXEclipse Foundation | 80 | 16% | 136 | soon | |
| 11 | BIOSIndustry standard | 70 | 14% | 250 | soon | |
| 12 | OpenEmbeddedYocto Project | 59 | 12% | 96 | soon | |
| 13 | OpenBMCLinux Foundation | 58 | 12% | 274 | soon | |
| 14 | PetaLinuxAMD | 50 | 10% | 102 | soon | |
| 15 | OpenWrtOpenWrt | 47 | 10% | 133 | soon | |
| 16 | ACPIUEFI Forum | 29 | 6% | 122 | soon | |
| 17 | Windows CEMicrosoft | 25 | 5% | 83 | soon | |
| 18 | SafeRTOSWITTENSTEIN | 22 | 4% | 57 | soon | |
| 19 | EDK IITianoCore | 17 | 3% | 96 | soon | |
| 20 | Windows EmbeddedMicrosoft | 12 | 2% | 21 | soon | |
| 21 | LynxOSLynx Software Technologies | 11 | 2% | 116 | soon |
Filter on any of them, or on FreeRTOS users who also name an alternative, and open the person who owns the stack.
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21 embedded os rtos are named by companies instead of FreeRTOS: Embedded Linux by 1,239 companies, Yocto Project by 638, Buildroot by 252, measured from their own job postings. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/freertos/alternatives)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- RankingCompanies whose own postings name the tool as the team's system, from the Breaknorm technology catalogue T-1.0.1-prov. Editions are folded into their parent product.
- 90-day postingsOpen postings first seen or posted in the last 90 days that name the tool.
- Not includedRatings, prices, feature claims, sponsored positions.
FreeRTOS alternatives: questions
What is the most used alternative to FreeRTOS?
Embedded Linux: 1,239 companies name it in their own job postings, against 489 for FreeRTOS.
How is this list ranked?
By the number of companies whose own postings name the tool as the team's system (Breaknorm technology catalogue T-1.0.1-prov), then by postings in the last 90 days. No ratings, no vendor input, no sponsored positions.
Does this say which is better?
No. It says who uses what, by company size, industry and country, so you can see which tools companies like yours choose. For features and prices, read the vendors.
Can I get the companies on any of these?
Yes: click the tool, see the first 20 companies, and sign up for the full list with verified e-mails. Counting is free.
Get these companies your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
Every company on FreeRTOS
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