# Asterinas 7 Hacker News commenters recommended Asterinas and 0 criticized it, November 2025 to November 2026. It was recommended in 5 of 13 months. **Verdict:** A free Rust operating system kernel that people find novel and see as a safer alternative to Linux, though critics note its ties to SUSTech. ## Why people recommend it - Rust kernel with safer memory handling (4 comments): "Torvalds needs to borrow Rust code from Asterinas (and maybe Redox) ASAP." ([source](https://news.ycombinator.com/item?id=50296293)) "convince Torvalds to merge Asterinas' memory handling code into Linux" ([source](https://news.ycombinator.com/item?id=50298927)) "the Asterinas' one in Rust it's miles ahead and far more secure" ([source](https://news.ycombinator.com/item?id=50320500)) - Positioned as a Linux kernel alternative (3 comments): "This may be the last Linux CVE you need to worry about." ([source](https://news.ycombinator.com/item?id=48832562)) "Very soon will be able to swap the kernel for Asterinas" ([source](https://news.ycombinator.com/item?id=49711535)) "coming for Linux with a purely Rust kernel" ([source](https://news.ycombinator.com/item?id=49007238)) - Novel design built on NixOS (2 comments): "I think Asterinas looks neat, and leveraging NixOS was a very smart move IMO." ([source](https://news.ycombinator.com/item?id=49945533)) "Asterinas looks very interesting and novel!" ([source](https://news.ycombinator.com/item?id=48319084)) ## What people warn about - Ties to SUSTech university (1 comments): "Asterinas looks cool, but they literally are involved with sustech" ([source](https://news.ycombinator.com/item?id=45863683)) ## Alternatives hackers recommend - [Windows](https://hackerapproved.com/p/windows.md): 1287 recommend - [macOS](https://hackerapproved.com/p/macos.md): 1041 recommend - [Linux](https://hackerapproved.com/p/linux.md): 745 recommend - [Haiku](https://hackerapproved.com/p/haiku-os.md): 115 recommend - [NetBSD](https://hackerapproved.com/p/netbsd.md): 100 recommend ## Cite as Hacker Approved, "Asterinas", https://hackerapproved.com/p/asterinas/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).