This Chat-Plugin allows you to set a custom format-string to format chat-output. Cross-Server chat through bungee is supported as well Check out the default configuration-file, the comments explain what each option does.
This plugins depends on Vault and one of Vaults supported permissions-plugins.
Issues or wishes
If you want to see some feature in the plugin which isn't in yet, just create a Issue on GitHub or create a PullRequest. I can't promise to merge it in though since i want to keep it as simple as possible while as useful as possible.
This plugins sourcecode is hosted on GitHub, check it out: Click
This plugin and its sourcecode is released under the MIT-License