Bukkit

SimplyVanish

Multiworld compatible Superperm Manager

QuarterBukkit is a modern API extension for Bukkit.

Listen for and modify outgoing ping responses

PlayersInCubes

Create your own Coupons

Provides an Instant Messenger interface for your server

The lightweight Minecraft chat prefix, rank, and tablist management plugin.

Provides some level of control over the World Downloader mod.

PlayerBar

This plugin allows you to change your game mode with ease

A Simple way of creating worlds for LobbyAPI

Inventory Backup Plugin for Spigot / Paper / Purpur - 1.8 - 1.21.11 - Backup, Restore, Rollback Inventories!

SuperTab

Plugin that logs player/IP combos and allows for a nice developer API to easily retrieve that data

Bringing asynchronous block events to your neighborhood Bukkit server

Run powerful scripts when a player votes

Powerful and lightweight NBT Editor

Mineload

PacketRateLimiter — Anti-Dupe & Anti-Lag for inventory actions.