WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time. A semantic personal publishing platform with a focus on aesthetics, web standards, and usability... 

https://wordpress.org/

WordPress news site covering themes, plugins, and developer resources. Many themes and plugins reviewed are premium, but tested by the reviewers. WordPress Plugins, WordPress Themes, WordPress Multisite and BuddyPress Plugins and Themes.. 

https://premium.wpmudev.org/

WPBeginner is the largest WordPress resource site for WordPress Beginners with easy to understand WordPress tutorials for mastering the basics and beyond... 

http://www.wpbeginner.com/