Christian Leuenberg

WordPress comes with a built-in replacement function that turns 🙂 etc. into emojis. If you need to switch this off, simply install and activate this plugin. It’s that simple.

Really Disable Emojis

Disables the automatic emojis (smilies) replacement function. Really! :-)

normen

This plugin adds a button bar to buddypress forum posting textfields. 
Features:
<ul>
<li>Insert bold, italic, blockquote etc.</li>
<li>Insert URLs, Images etc</li>
<li>Insert smilies</li>
<li>Buttons can be shown/hidden via javascript</li>
<li>Uses imgur image uploading service to add images to posts</li>
</ul>

BP Post Buttons

Adds a button bar to buddypress forum posting textfields

Really Disable Emojis vs BP Post Buttons