Name of the plugin you want : NetworkLevels
Spigot Link : https://www.spigotmc.org/resources/networklevels.46808/
Price : $8.99 USD
How it would contribute towards the betterment of the community : In having a system of Levels as in hypixel.
i was on nulledbuilds, and i wanted to get a cool build, so i pressed the upgrade, it sent me here, i bought the highest plan, but i dont have it on nulledbuilds