Bukkit

This Plugin will add the four Seasons to Minecraft

Eternal Ice

MultipleWorlds

Multi world plugin

Generates Cloud-Structures of snow blocks in the sky

Are you bored of having only 3 strongholds on the infinite map? Now it's finally fixed - you can have infinite amount of them!

MCGPLuSGen

Every block you place at side 1 will appear at side 2

Powerful and full automatic SurvivalGames with an own WorldGen.

Add governments and nations to minecraft!

an epic survival game

skySMP+ - SkyBlock survival multiplayer implementation.

Backrooms world generator for minecraft (level 0)

Just a different world generator.

ExtremeTerrain

A auto regen of the world

Diggy Hole

Plots Generator - PlotGen

Pseudo-sequel of CityWorld

helps to handle trees on your servers very easy