PVPPremium
By
sagacious — Best data gathering plugin for PVP servers, including features like combatlog & bounties!
BetterGUI
By
HSGamer — An animated menu, a simple menu-designing tool, or just a better GUI plugin
F Invsee
By
balustrada — Inspect a player's inventory/armour/off-hand and ender chest with a custom gui / Finvsee