WildStacker
By
Ome_R — Stack Mobs :: Stack Items :: Stack Blocks :: Stack Spawners :: Stack Buckets :: Stack Stews
MCJava
By
jojodmo — Run Java Code from the Chat • Code plugins completely in-game • Beautiful Syntax Highlighting
Sonar
By
Jones — Sonar is a lightweight anti-bot plugin for Velocity, BungeeCord, and Bukkit.
Reward
By
TeamVK — Give item to a player (even offline player!). Useful for Buycraft, GAListener, etc. to reward player