These plugins change the game itself rather than how the server is run. They add mechanics a survival server wants without asking players to install anything: graves that hold your items on death, custom crafting recipes and enchantments, tweaked mob behaviour and spawn rates, seasons and weather effects, and vanilla-plus features such as sittable stairs or player heads.
Altarsmp by Dnmanpo Plugin
Animal Pens Paperized Plugin
Auto Item Reload Plugin
Ax Inventory Restore Plugin
Ax Shulkers Plugin
Ax Vaults Plugin
Bat Membranes Plugin
Beast Withdraw Plugin
Better Skyblock Drops Plugin
BetterSleeping Plugin
Blindspot Gambit Plugin
Build Paste 9minecraft Plugin
BuildPaste Plugin
CHC Custom Hit Command Plugin
Cozy Survival Essentials Plugin
Crack Shot Plugin
Cunning Instincts Plugin
CustomCrafting Plugin
Dead Chest 9minecraft Plugin
DeadChest Plugin
Donut Shards Plugin
Double Doors Server Plugin
Ender Chest Vault Plugin
Enhanced E Chest Plugin
Enhanced Enchants Plugin
Eternal Reach Survival Plugin
Explosive Projectiles Plugin
Extra Recipes Plugin
Farm Assistant Plugin
Farming Plus Plugin
Fish Rework Fishing Plugin
GSit Plugin
Harder Wardens Plugin
Hrda Valorant Plugin
Hunger Health Plugin
Hydration Vitality Plugin
Inventory Stacks Plugin
Lattice Pane Logic Plugin
Logic Decay Fragments Plugin
Lucky Engine the Ultimate Lucky Block Plugin
Military Arsenal Plugin
More Shulker Shells Plugin
MyPet Plugin
Omichall’s PVP Plugin
Physics Toggle Plugin
Player Head Drops Plugin
Player’s Head Drop Plugin
Potent Survival Consumables Plugin
Quality Armory Plugin
Robbot NPC Spawner Plugin
Silk Spawners 9minecraft Plugin
Spawn Egg Drops Plugin
Spooky Survival Encounters Plugin
Super Harvest Plugin
Survival Block Pivot Plugin
Swift Survival Essentials Plugin
Tactile Survival Felling Plugin
Temperature999 Plugin
Terraria Items Plugin
Tether Plugin
Thizzy’z Tree Feller Plugin
Timber Replant Plugin
Totem of Null Plugin
Tree Capitator999 Plugin
Uber Enchant Plugin
Ultimate Bliss SMP Plugin
Ultimate Donut SMP Plugin
Ultimate Strength SMP Plugin
Vanilla Challenges Plugin
Vantage Point Nexus Plugin
Vein Miner999 Plugin
Veinminer Plugin
Water Bar999 Plugin
Zombie Apocalypse999 Plugin