http://marketplace.abantecart.com/blog_manager?keyword=blog&category_id=0did you see this one? says it works up to 1.2.10 so if you are running 1.2.11 you should contact the developer of this extension prior to buying.
You also could just add each article as a content page - and then under your category just add the title and the page link.
eg, Category Articles
Description could look like this:
2017 January
Making Your First Million (linked to the article URL)
Spending Your First Million (linked to the article URL)
2017 February
Finding my Second Million
On your Category page edit - you have the ability to add lots of words in the description field. Also, you alter the layout if desired.