Oberon is a Twenty Fifteen child theme. This theme changes the default layout of Twenty Fifteen theme by moving the sidebar and navigation menu to the right.
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Twenty Thirteen Child Theme – Halo
Halo is a child theme for Twenty Thirteen WordPress theme. This theme was designed to change the default date displayed for your content. Instead of the “published date” it shows the “last updated/modified date”. This is very useful if you are maintaining a blog and regularly update your old content.
Twenty Fifteen Child Theme – Fifteenify
Fifteenify is a child theme for Twenty Fifteen WordPress theme. I designed this theme to customize the date displayed on the front end. Instead of default “published date” it only shows the “last updated date”. This is very useful if you regularly update your old content.