For moderately sized sites (including simple e-Commerce sites), WordPress does a pretty good job as a CMS,
making it easy to maintain your site, and update your content. Of
course, it does this best with the help of a good theme, and some great
plugins. The strength of WordPress is the community of developers who
have already done almost anything you can think of with it. Here are
the best plugins we’ve run across, the ones we install for nearly all
of our client’s sites.

Top 10 WordPress CMS Plugins | Blueprint Design Studio