QuickJS
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
3recommend
0warn against
Nov 12, 2025first mention
Oct 14, 2026latest mention
Why people recommend it
“providing a VM like QuickJS for running simple code could be enough (thus also cheaper)”
working on an agent harnesson “Launch HN: Agent37 (YC F26) – Low-cost agent sandbox…”
“creator of QuickJS, QEMU, FFMPEG and many other brilliant and fascinating tools!”
Show 1 more
“Very cool. Good use of quickjs”
Caveats and dissent
No one in these comments warned against it.
Often compared with
Who recommends it in their own words
Threads where it came up
- Ultimate-Linux: Userspace for Linux in Pure JavaScript 2 mentions
- Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents 1 mention
- Show HN: Choq: Cherry (ClojureScript) on QuickJS 1 mention
- I built a C++ runtime with immutable objects and no GIL 1 mention
- Yt-dlp: External JavaScript runtime now required for full YouTube support 1 mention
Data: quickjs.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 6
“providing a VM like QuickJS for running simple code could be enough (thus also cheaper)”
“Performance of QuickJS isn't as good (no JIT) but still perfectly fine for hosting personal projects on a VPS.”
“It uses QuickJS for the frontend (parsing/bytecode)”
“creator of QuickJS, QEMU, FFMPEG and many other brilliant and fascinating tools!”
“Very cool. Good use of quickjs”
“I wonder if they got performance to a reasonable level then?”