WordPress is the leading content management system out there in basically any industry. Emerged as a basic CMS for blogging, it evolved to a powerful publishing tool for any kind of website or web app. Whether you’re working on company websites, online shops, or social communities. Everything’s possible with WordPress.

There are many great and mighty WordPress plugins out there for improving your websites.

In this article, I’m going to show you 15+ unknown and free WordPress plugins every WordPress developer should know when building up his/her WordPress portfolio.