Name of plugin you want: Real DualWield
Spigot link: https://www.spigotmc.org/resources/real-dualwield.30816/
Price: $3.99 USD
Why you want it: When Minecraft 1.9 was released, people were actually thinking you could dual wield two swords. Well, you couldn't. With dual wielding, it adds more of...
Dang, I've been looking for this plugin for quite a while, and I have obtained a copy, but it's the outdated version... It kinda sucks, but what can you do when it's for a good cause and you don't have access to any form of virtual currency whatsoever.