Hello, I was wondering, as I'm not great with plugins yet, let alone to see what could happen when I install one. I have a server that runs many plugins, if I install Vault, would it stop some plugins from working at all that is not on your list, or will they run?

Long story short. I want to use SimplyGate, but I have to use Vault in order to use it, but I don't want to reinstall anything. That's a pain. I already have WorldEdit. I also use some plugins, like PEX that can be ran with Vault, I basically don't want to install Vault, and have it mess up my server.

So the question is. Would installing Vault in a server with Plugins that are not part of, and part of Vault still allow those other plugins to work still?

Vault is a passive plugin, it doesn't 'Mess anything up'. If you have plugins that are going to use it, they will use it. Please read the info, it states exactly what it does: http://dev.bukkit.org/bukkit-plugins/vault/