Adam

OpenInv. Open anyone's inventory as a chest, real-time!

Regionerator. A Bukkit plugin for gradually deleting unused area.

EnchantableBlocks. A Bukkit plugin adding effects for enchantments on blocks.

AnvilUnlocker. A Bukkit plugin allowing anvils to function for costs of up to 32767 levels instead of 40.

ChunkSpawnerLimiter. Simple plugin to enforce spawner limits per chunk.

MobStacker. A Bukkit/Spigot plugin for 1.16 that stacks mobs in a highly efficient way to decrease server and FPS lag.

PlanarWrappers. Yet another Bukkit utility library.

PortableShulkerBox. A Bukkit plugin for accessing shulker boxes without placing them.

CreeperHeal. Java

PlanarEnchanting. A more flexible and customizable system mimicking vanilla's enchanting functionality.

PermissionsSetup. A Bukkit plugin for modifying command permissions.

BookSuite. A collection of tools for improving usage of books

InventorySeparator. Bukkit plugin for separating inventories per-worldgroup per-gamemode.