# Anos microkernel

5 Hacker News commenters recommended Anos microkernel and 1 criticized it, November 2025 to November 2026. It was recommended in 1 of 13 months.

**Verdict:** People recommend Anos for exploring OS ideas without POSIX constraints, and for its docs as a learning resource.

## Why people recommend it

- Freedom from POSIX interface constraints (1 comments): "Non-POSIX is definitely keeping things fun, letting me explore different ideas without having to fit into an existing interface design" ([source](https://news.ycombinator.com/item?id=47671717))
- Docs useful as a learning resource (1 comments): "I highly appreciate the docs, great resource for learning." ([source](https://news.ycombinator.com/item?id=47701372))
- Compounding small wins, inclusive community (1 comments): "Especially the focus on compounding small wins and including us in your orbit." ([source](https://news.ycombinator.com/item?id=47676240))

## Alternatives hackers recommend

- [webOS](https://hackerapproved.com/p/webos.md): 20 recommend
- [AsteroidOS](https://hackerapproved.com/p/asteroidos-2-0.md): 19 recommend
- [Minix](https://hackerapproved.com/p/minix.md): 15 recommend
- [Inferno operating system](https://hackerapproved.com/p/inferno.md): 12 recommend
- [Visopsys](https://hackerapproved.com/p/visopsys.md): 9 recommend

## Cite as

Hacker Approved, "Anos microkernel", https://hackerapproved.com/p/anos-microkernel/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).