XItemsRemover
By
Xezard — A simple plugin that automatically removes dropped items with a timer displayed on them.
F Invsee
By
balustrada — Inspect a player's inventory/armour/off-hand and ender chest with a custom gui / Finvsee
Sonar
By
Jones — Sonar is a lightweight anti-bot plugin for Velocity, BungeeCord, and Bukkit.