CoreProtect is a fast, efficient, data logging and anti-griefing tool. Rollback and restore any amount of damage. Designed with large servers in mind, CoreProtect will record and manage data without impacting your server performance.
Over the next few months me and my team will be continuing iConomy, one of the best economy plugins for Bukkit. This plugin will give your users great opportunities by allowing them to buy and sell, give each other money, and many more possibilities. Some plugins that support iConomy: