Uxn virtual machine
Shares rank 9 of 11 language runtimes by recommenders
People recommend Uxn as a small, portable virtual machine with a spec simple enough for one person to implement, and it runs on very limited hardware. The most common caveat is the lack of an easy setup guide.
People recommend Uxn as a small, portable virtual machine with a spec simple enough for one person to implement, and it runs on very limited hardware. The most common caveat is the lack of an easy setup guide.
10 people gave an opinion
- recommend it
- 9
- criticize it
- 1
- approval share
- 90%
Recommended in 5 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: recommended
- February 2026: recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: recommended
- June 2026: recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 9 people recommend itNeeds 10 or more, not met.
- 9 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 5 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
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
Simple spec, easy to implement
“A system spec that is only 32 instructions deep, something that a single person could implement in less than a week.”
Comment from 7 May 2026 in “Permacomputing Principles” “it is designed in a simple way that it will work”
Comment from 8 Feb 2026 in “We Mourn Our Craft” Runs on very limited hardware
“it is extremely simple and can run on very limited hardware”
Comment from 9 Jun 2026 in “Show HN: GentleOS – A pair of hobby OSes for vintage 32-bit and 16-bit PCs” “We have tools like uxn[0] written on potato computers”
Comment from 3 Feb 2026 in “Why software stocks are getting pummelled” Portable and lightweight
“They showcase how many things a small virtual machine can do while being very portable”
Comment from 8 Oct 2026 in “Living off-grid: Hundred Rabbits” “Very lightweight and stable, yet niche”
Comment from 2 Jan 2026 in “Uxn32: Uxn Emulator for Windows and Wine”
What people warn about
Each mark is one comment
Lacks easy setup guide
“Uxn lacks an easy setup guide and a browser for research”
Comment from 9 Nov 2025 in “WriterdeckOS”
Other language runtimes people recommend
The four most recommended other language runtimes, 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.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| .NET | 293 | 148 | 66% | 12 | 10 yrs28 owners | — |
| BEAM (Erlang VM) | 80 | 25 | 76% | 11 | — | Approved |
| Java Virtual Machine | 42 | 23 | 65% | 12 | — | — |
| JVM | 39 | 22 | 64% | 11 | — | — |
| Uxn virtual machineThis page | 9 | 1 | 90% | 5 | — | — |
What people said
11 of the 13 comments that mention it, newest first. Each links to the original comment.
“it's that perfect complexity where everything feels like a fun puzzle you can approach one step at a time.”
“I have written some useful small programs in uxn”
“They showcase how many things a small virtual machine can do while being very portable”
“its focus on long-term stability”
“it seems very cool and I'll definitely look into it”
“it is extremely simple and can run on very limited hardware”
“A system spec that is only 32 instructions deep, something that a single person could implement in less than a week.”
“it is designed in a simple way that it will work”
“We have tools like uxn[0] written on potato computers”
“Very lightweight and stable, yet niche”
“Uxn lacks an easy setup guide and a browser for research”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.