Bukkit

WorldEdit is an in-game map editor for both creative and survival

WorldGuard

A working voice chat in Minecraft!

Set up custom villager shopkeepers

This is a easy to use GUI shop plugin.

A free and reliable backpack plugin with lots of customisation options.

Make Things go Boom

Toggle PvP for your players, stop combat log, protect newbies, stop border hopping and more!

Marriage Master

Dynamic web-based maps of your Bukkit/Spigot server

The Bukkit World Management Plugin.

Vault is a Economy/Permission plugin for hooking into the various Economy and Permission plugins.

The modern Essentials suite for Spigot and Paper.

The Building Game plugin!

Powerful, craftable Wand items and Spell scripting

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

Modern Minecraft death chest plugin for Bukkit, Spigot, and Paper servers.

A shop plugin that allows players to sell items from a chest with no commands.

Grief Prevention

CS-CoreLib