Uconomy is an economy plugin. Adds a currency on your server; either use XP or database for keeping track of player balances. Also hands out salaries, permission-based. Supports sending balance to a UI as well. For casual users: 1632829296 - UI mod. GitHub
Command
Permission
Description
/balance, /bal, /money
balance
See your current balance (amount of in-server money).
/pay
pay
/pay <player> <amount>
/apay, /adminpay
apay
Pays a player with new money (which might also be called inflation).