I have, as many know, become increasingly frustrated by the direction Plex has taken in the last year or two and even more lately. Their extreme arrogance and their near total lack of concern for the wishes of their user base has only served to reinforce that feeling.
Because of that, and some other problems, I have been investigating alternatives namely Emby as it is the only system that seems even close.
I had problems with Emby freezing and having to restart the server but I decided to look deeper over the last few days and discovered that one of the support files had been corrupted so I fixed that and Emby has been running quite nicely ever since.
Once I had it stable I discovered that thinks like editing the sort title, to group movies as I do not really like using "collections," is much much easier and quicker in Emby. Most other "normal" operations are also easier although usually different.
Emby seems, I repeat seems, to put less of a load on the server but I cannot be totally sure as my testing has not been long enough, yet.
I will not burden everyone with a lot of detail BUT, after my short test I "think" that, for me, Emby may well be a viable alternative to Plex.
I have tested the Roku app and the Fire app and the Windows app. The Fire and Windows are better than the current offerings for Plex and the Roku app is pretty good as well. For me and my needs Emby does everything Plex does about as well and it does some things that Plex does not do at all, can you say "AudioBook support!!"
For those angry or unhappy with Plex Emby looks to be a viable alternative.