I'll be Streaming on Youtube the first weekend in March. If you're interested in co-hosting the show click here.
This mod adds some simple chat commands to "talk" on the server. The mod only comes with a simple, yes, no, and thanks saying, but you can easily add more. Instructions are included in the mods download.

LINKS:
Download Mod
Github repository (not on github)
Forum Topic: Please visit this page to ask questions or request features.

More mods by this modder

It doesn't look like I've reviewed any other mods by this author, feel free to suggest one.