SatyrSack

If I’m not mistaken Jellyfin is actually a fork of Emby so they’re pretty similar, but one is a bit older.

Jellyfin forked from Emby in 2018 when Emby chose to switch to a closed-source model. Because of this, there are many similarities, but the projects continue to become increasingly different from one another as time goes on.

In All or when searching. I think it requires an alpha version of v3.0.0, which can be found on GitLab but not F-Droid

Stealth is a Reddit client with Lemmy integration

https://gitlab.com/cosmosapps/stealth

Might not be “relatively cheap”, but the Framework 12 fits the other criteria with the bonus of having a touchscreen.

https://frame.work/laptop12