Xous
Shares rank 55 of 87 operating systems by recommenders
A pure Rust operating system built around message passing, praised for its novel, interesting design. Critics say it's unclear which hardware it runs on.
A pure Rust operating system built around message passing, praised for its novel, interesting design. Critics say it's unclear which hardware it runs on.
12 people gave an opinion
- recommend it
- 9
- criticize it
- 3
- approval share
- 75%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: recommended
- February 2026: not recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 9 people recommend itNeeds 10 or more, not met.
- 3 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 2 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Interesting, novel design worth exploring
“the more I look into the xous, docs the more interesting this becomes”
Comment from 18 Jan 2026 in “Xous Operating System” “This was a really great talk. Full of interesting things.”
Comment from 18 Jan 2026 in “Xous Operating System” “This is a really interesting project IMO”
Comment from 6 Mar 2026 in “Xous security focused open source on 22nm custom silicon” - Comment from 18 Jan 2026 in “Xous Operating System”
Works with Precursor and Baochip hardware
“you should look into along with their Baochip”
Comment from 7 Jan 2026 in “Open-source Teensy-compatible – what features do you want?” “Xous seemed very nice together with Precursor”
Comment from 30 Jan 2026 in “Xous Operating System”
What people warn about
Each mark is one comment
Target hardware left unspecified
“On which "hardware", is left as an exercise for the user.”
Comment from 18 Jan 2026 in “Xous Operating System” Dictates the implementation language
“An OS has no business dictating implementation language.”
Comment from 18 Jan 2026 in “Xous Operating System” Waits on replies for each message
“One-way messages. You send, then, in a separate operation, you wait for a reply.”
Comment from 18 Jan 2026 in “Xous Operating System” Licence choice questioned; GPL suggested
“For a grass-root project GPL would be a better choice.”
Comment from 18 Jan 2026 in “Xous Operating System”
Other operating systems people recommend
The four most recommended other 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.
See all 87 operating systems, rankedWhat people said
All 13 comments that mention it, newest first. Each links to the original comment.
“This is a really interesting project IMO”
“Xous seemed very nice together with Precursor”
“For a grass-root project GPL would be a better choice.”
“On which "hardware", is left as an exercise for the user.”
“This was a really great talk. Full of interesting things.”
“Actually delivering novel capabilities”
“the more I look into the xous, docs the more interesting this becomes”
“it's designed with C-like language support in mind.”
“One-way messages. You send, then, in a separate operation, you wait for a reply.”
“Good into to Xous, to using the MMU sort of to do a rust borrow-checked owned memory system.”
“An OS has no business dictating implementation language.”
“applicable if you're looking for preemptive multitasking”
“you should look into along with their Baochip”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.