Bukkit

Edit your mob spawner how you like.

Mod/Admin help tool

Multiworld management made easy

Autosave player & world data as per a pre-defined interval

Make your own facy portals

Lightweight plugin for managing per-world spawn points and more.

WorldGuard PlayerDamage Flags

A Plugin to View Player Stats such as Health, FoodLevel, IP etc etc

FAWE (Fast Assync World Edit) For Spigot / Bukkit

Put commands for certain worlds.

an extremely simple portal gun mod for minecraft 1.13

Configure world-specific game modes, allow players to switch game modes, and restrict inventory.

WorldGuard TreeFarm Flag

A chunk claiming plugin

IonCannon

Clears up entity leaks

Minecraft Scripting in TCL!

Anti Fire with warnings

Allows you to enable fly mode in specific WorldGuard regions.

ToolWorx