Escape From Tarkraft
Loot, shoot, and scoot.
Why is this the first Google result? Well it's better if you just search ShiftingKill on Modrinth or Curseforge, you'll find the modpack there. Download, and server is in Multiplayer screen by default. Cheers!
Economy that makes you PVP.
Info: Loot the map, take out Scavs. Protect yourself against other players. Invite your friends and squad up using /squad.
Protected stash from other players.

Rusted
Guns. Bazookas. C4.
Faction warfare like it was meant to be.
Info: 20k map. Hopefully a playerbase of around 20-30 people looking to survive while raiding every now and then with a better system than Minecraft provides. Members get access to an anti-grief rollback command that regenerates chunks. The developer is open to feedback.