My personal favorites in recent times are:
1) Scouts vs the Zombie Apocalypse (not as good as Shaun of the dead but is still pretty hilarious as far as Zomcoms go)
2) LA Horde ( a french zombie flick that is action-packed and reminiscent of Left4Dead)
3) Train to Busan (a fantastic Korean Zombie movie)
4) Rampant (another Korean zombie movie) - I'd also recommend The Kingdom on Netflix (a series) if you liked Rampant as they have a similar premise
5) Overlord ( the doom movie we never got)
6) Rammbock: Berlin Undead ( highly recommended)
7) .REC series (Gives off a strong resident evil vibe and in the right away but the zombies here are more like deadlites)
8) The Serpent and The Rainbow (A look at the origins of the zombie legend)
9)Re-Animator (Lovecraftian zombies)
10) Brain Dead ( a personal favorite of mine)
Avoid the quarantine. [REC] is so much better.
Note: Many of these are foreign language zombie films. REC is in spanish whereas Rammbock is German.