Bukkit

Backpacks, mobile furnaces, etc... as items! No client-side mods required.

CS-CoreLib

Create user friendly menus to travel to worlds

Inexpensively protects your ores from cheaters.

The most customizable tree feller ever made.

Terrain creation ingame using 3D brushes

Display any image in-game on a map! (or many)

The premier long-range map editing tool for Minecraft SMP.

Emotecraft stream service on a bukkit server

Add natural occurring disasters for a fun challenge.

InsaneMobs2

A quality gun plugin similar to CrackShot.

Draw images on maps and put them in Itemframes

Simple yet robust clan system for PvP servers (SUPPORTS 1.8 to 1.18)

The Complete Hub Plugin for Bukkit.

A Parachute Plugin

If you've ever used the VeinMiner mod for minecraft Forge, it has now been recreated for Bukkit, CraftBukkit, and Spigot

Brew alcoholic potions, get drunk and have fun!

**Not Maintained** Display an RPG-style health bar above mobs and players.

Replicate first-person shooters with advanced gun-mechanics and a vast number of exciting and fully customisable features.