Bukkit

Consume a specific item or permission to restore players' inventory and EXP.

Anti Fire with warnings

FLockClient - Server

Password authentication for offline servers (1.14 onwards!)

Lag prevention made by The_Gang

Shows ratio stone:ore per user.

anti xray(x-ray)

Spam Detection System with AutoBan/AutoKick

Track those griefers like a bird of prey!

AntiGuest

BukkitProtect, protecting your worlds since it was made!

A very easy-to-configure item ban list, with default values for commonly-banned Tekkit items.

Dynamic Effect Whitelist

Regios

IPLock for Dynamic IP

Simulation Based | Plugin Hider | InvSee Embedded | Heuristic Checks | Java/Geyser Detection | Easy GUI Menu | Auto Setback | NPC Replay

Completely makes entity radars useless to hackers.

Need to rebuild server? And stop players from joining?

Commandless, Itembased Chest Lock Plugin

Players keep items and experience on death.