Turris Omnia or alternative?

[anarcat]

I figured "but this thread is exactly my requirements!" but then someone else pointed out the original post might be a case of a XY problem and, since you asked, I just made a new post:

Recommendations for a gigabit+ bridge, possibly with SFP

Hi, I'm working on building a small office in the backyard. It will have power and networking, it's about 50' away. I'm considering wiring it with fiber to avoid the trouble with copper networking (e.g. lightning arrestors, rust, grounding, etc). More details about the project are discussed here. My "core router" (it's just a home network, really) is currently an old (2016) Turris Omnia. I like it: reliable, just works, auto-upgrades, (mostly) based on OpenWRT. And, more importantly, it has a …

Thanks!