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Hubris RTOS

Shares rank 4 of 6 real-time operating systems by recommenders

Free embedded operating system from Oxide Computer, recommended for its bug prevention and for running on STM32H753ZI dev boards.

Free embedded operating system from Oxide Computer, recommended for its bug prevention and for running on STM32H753ZI dev boards.

6 people gave an opinion

recommend it
6
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 6 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 6 people recommend itNeeds 10 or more, not met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 6 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

Other real-time operating systems people recommend

The four most recommended other real-time operating systems, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Hubris RTOS compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
QNX Neutrino RTOS471280%1210 yrs3 ownersApproved
Zephyr RTOS14574%11—Approved
FreeRTOS9375%6——
Hubris RTOSThis page60100%6——
MicroPythonOS6460%1——
See all 6 real-time operating systems, ranked

What people said

5 of the 6 comments that mention it, newest first. Each links to the original comment.

“if you want to play with microcontrollers you can install Hubris onto STM32H753ZI dev boards!”

RecommendsComment from 9 Oct 2026 in “Our $445M Series D”

“I found it also to be a good time to learn a better layout than qwerty.”

RecommendsComment from 2 Jul 2026 in “My Favorite Keyboards”

“You can go look at what does that job over here”

RecommendsComment from 26 Jun 2026 in “Oxide computer 3D rack guided tour”

“it's exactly the kind of stack I want to work on”

RecommendsComment from 10 Feb 2026 in “Oxide raises $200M Series C”

“They're saying very positive things about the bug prevention aspects.”

RecommendsComment from 11 Dec 2025 in “Rust in the kernel is no longer experimental”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.