Bukkit

Ultra Tool

GriefPrevention addon: Changes /buyclaimblocks to buy accrued blocks instead of bonus claim blocks.

DeathPrice

XP-command

Contains a handful of useful teleportation commands, backed by economy structure.

econWarp

Economy System

Allow players to buy/sell items to/from TradeChests

Allow spawning of non-restricted items and ability to allow more items.

A simple and lightweight economy plugin.

MinecraftRP is simply the best plugin out there, for admin tools, economy, and basic commands.

Create Quizzes with commands or in config.yml. Win money and/or items per rank

EzCurrency is a simple currency plugin, allowing players to receive and trade money for items.

Configurable all monster's amount of money drop and enchantment effect that increases of decreases the drop amount.

An advanced roulette plugin to let your players wager their (ingame) money!

Frame Shop is a plugin which allows you to make item frames to shops.

SimpleClansGUIs

An updated SignShop that works with the new 1.14 API

Drop Party plugin which uses a DP area

Bar Gambler