There's the Q&A plugin, which allows you to mark a post as the "answer". The integration to reward reputation for answering a question, I don't think we have yet, but it could be added to the Q&A plugin so you can configure rewards with it.
Created my first plugin! Allows you to embed Arduino code and compile/upload it directly to an attached Arduino using the excellent codebender project.
npm install nodebb-plugin-codebender
See it in action here
lolwut. This is awesome. programming an Arduino from within NodeBB? Time for me to get a kit.
Yep, it's a strange feeling.