Name of the plugin you want :
Spigot Link :https://www.spigotmc.org/resources/antibot-bot-sentry-%E2%9C%AF-the-fear-of-all-bot-attacks-bungeecord.55924/
Price :7.99 EUR
How it would contribute towards the betterment of the community : It is one of the most advanced bot protections on the market.