Bukkit

Run scripts on triggers such as Walk, Click, PlayerDeath, Respawn, BlockBreak & many others. Use Object Variables, IF & ELSE.

Massive Core

copy player inventory on MySQL

A collection of many useful developer tools for promoting compatibility and ease of development

Grants developers access to a library of various effects.

Automatically have player ranks change depending on how long they have been online.

Flags is an addon allowing players to change game behavior in areas defined by many anti-grief land management plugins.

Create scrollable command menus

Scriptable, interactive citizens.

OpenTexonMod

Simulates fake players on a server.

Optimize your server by reducing entity lag, cleaning up the world and more!

VT or Skript like plugin allow you from shallow functionality to deep access to the server itself.

VoxelSniperRegions

EnchantmentAPI enables simple custom enchantment creation that behave like any vanilla enchantments!

Lucky Block Plugin

Fix your tekkit server's problems.

CompatNoCheatPlus

Votifier

A simple homes plugin with the ability to create, delete, and teleport to many different homes.