Brett Flannigan

WorldBorder. Bukkit plugin for maintaining borders for your worlds to limit their sizes, as well as generating missing chunks or trimming excess chunks.

ServerEvents. ServerEvents is a Bukkit plugin for Minecraft that prints customizable messages to chat, Twitter, a database, or to a file

OnlineUsers. OnlineUsers is a simple Minecraft server (bukkit) plugin that maintains a MySQL table with logged in users.

CreeperDJ. A Bukkit plugin

TexturePackMenu. A Bukkit plugin (requires Spout) which forces players to use server-sanctioned texture packs. They can use the server default, or browse the available texture packs through a menu.