WPThemeDetector is described as 'Have you ever wondered… What WordPress theme is that awesome site using? If you guess that a site you like uses WordPress, enter its address and hit the button'. There are six alternatives to WPThemeDetector, not only websites but also apps for SaaS and Wordpress. The best alternative is WPThemeDetector by TheGuideX, which is both free and Open Source. Other great sites and apps similar to WPThemeDetector are Themechi (Free), What Wordpress Theme Is That? (Free), WPdetector (Free) and whoiswp (Free).
WPThemeDetector by TheGuideX is a free online tool to detect all the themes and plugins a website is using. Using our advance tool, You can easily get the theme name of any website with some other important information and plugin information.
What WordPress Theme Is That is a free online tool allows you to easily detect what WordPress theme a site uses (including parent and child themes). It will also detect what WordPress Plugins are being used.
WPdetector is a free tool that helps users find out the theme and plugins used by a WordPress website. In short, it is a theme detector and a wp plugin detector. WP Detector also shows additional information about the website and its domain.