Recommendation for non-DOS/Unix open source OS outside x86/X64

mappu · 2025-03-26T02:22:22 1742955742

ToaruOS has an ARMv8 port: https://github.com/klange/toaruos and Serenity has an ARM and RISC-V ports: https://github.com/SerenityOS/serenity ; although I think you would call them Unix-like.

Haiku has tier-2 ports to ARM, RISC-V, and SPARC: https://www.haiku-os.org/guides/building/port_status

ReactOS has an ARM32 port but the ARM64 one is not usable yet.

Skift apparently runs on ARM and RISC-V: https://skiftos.org/

snvzz · 2025-03-24T01:37:38 1742780258

There's Niklaus Wirth's Oberon[0].

0. https://www.projectoberon.net/

dlcarrier · 2025-03-24T03:12:10 1742785930

There's RISC OS: https://en.wikipedia.org/wiki/RISC_OS

It was written for the Acorn computers that were the original use of the ARM architecture. It's still around and is pretty lean, despite being complete with a GUI and network capabilities.

xet7 · 2025-03-26T02:09:17 1742954957

RISC OS Direct has modern webbrowser, Iris:

https://www.riscosdev.com/direct/

mepian · 2025-03-23T13:18:56 1742735936

The MIT Lisp machine system: https://tumbleweed.nu/lm-3/

Mezzano, a much more recent OS written in Common Lisp that runs on Arm rather than special hardware: https://github.com/froggey/Mezzano

evanjrowley · 2025-03-23T13:15:40 1742735740

Technically you can run Redox-OS on a Raspberry Pi 3 B+ (ARM), but it still works best on x86_64: https://doc.redox-os.org/book/raspi.html

If you decide you miss DOS, then you can also use the DOS emulator available on Redox-OS. It's not Linux but there are some linux-inspired stuff there, including apps from the Cosmic desktop environment. Both announced here: https://www.redox-os.org/news/release-0.9.0/

anta40 · 2025-03-23T15:24:38 1742743478

"We are not a Linux/BSD clone, or POSIX-compliant..."

and

"It should be able to run most Linux/BSD programs with minimal modifications"

Hmm weird. Will give it a try, anyway.

slicktux · 2025-03-26T02:00:18 1742954418

XINU (Xinu Is not UNIX) OS…good book on it too for Operating System design!

https://xinu.cs.purdue.edu/

Amlal · 2025-03-24T05:55:45 1742795745

I'm surprised that nobody has talked about HaikuOS, I used to daily drive for a while before returning to Linux or OS X, depending on what I do.

bohdanqq · 2025-03-25T07:31:58 1742887918

HelenOS is multi-platform. Their certificate expired but from their site:

> HelenOS runs on eight different processor architectures

Pretty sure ARM is one of those.

LargoLasskhyfv · 2025-03-23T15:52:28 1742745148

Sculpt yourself some https://genode.org/

yann-gael · 2025-03-23T13:38:24 1742737104

You could try MorphOS or AROS, which turn your (old) Mac and others into Amigas

486sx33 · 2025-03-23T12:40:37 1742733637

There is an arm version of pretty much every major Linux distribution now. I’ve used mint, debian, and kali all on arm.

Also, see below

https://distroware.gitlab.io/lists/RunsOnARM/

anta40 · 2025-03-23T12:59:41 1742734781

My mistake. Guess what I meant is UNIX and UNIX-like.

Nothing personal against Linux, but I'd like to see something new, like TempleOS, for example.

486sx33 · 2025-03-25T00:52:01 1742863921

There is quite a selection in the link I posted… for example FreeBSD/ARM

p_ing · 2025-03-26T02:18:20 1742955500

FreeBSD is a direct descendant of BSD which is UNIX. The BSDs are about as close as you can get to UNIX today.

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