1)News like functionality generation.Example:

ruby script/generate news_like post

 Generates 3 views,controller,helper,model,migration and add nessesary resource routes

2. Inplace Articles like fuctionality generation.

    Example: ruby script/generate article_like clients
   

3. useful_generators depends on ryanb's nifty_generators gem. so you've got it's fuctions too.