You probably can still access third-party apps by being a mod. That works for me (with Boost) when the patching method made it unable to login recently.
I did try the revanced reddit app but the stutters make it unbearable to use.
I believe this issue is being tracked here: https://github.com/LemmyNet/lemmy/issues/3236
Try Ásbrú Connection Manager for multi-tab SSH. The only thing missing for me was integrated SFTP.
Mailcow for selfhosted email.
This is an amazing effort to bring games to Linux!
Do games from other stores such as Epic games work with Proton?
IBM bought RedHat a few years back. Been going downhill ever since.
Genymotion should work too, free for personal use.