Portal
By
lychee — Particle effect based portal | Multi-dimensional tunnels
PKAntiCrystal
By
PkDevelopment — PKAntiCrystal is a lightweight and easy-to-use Minecraft plugin that disables crystals on the server
PearlClaim
By
PearlLabTeam — Advanced Land Claiming plugin | Easy to Use | In-game Editors | Modify any GUI | Claim Storages