This plugin add the CSS class to BODY tag. It is using the Mobile_Detect library from http://mobiledetect.net/
This will add CSS classes in default WordPress body class. You can get browser version, OS and name.
Detects if a user is using adBlock, adBlock Plus or any other software that might be disabling ads on your website and prompts them to disable it.
Mobile Theme Switch
iedetect detects the Internet Explorer and show a warning message if it's an old version.
The Mobile Client Detection Plugin can overload platform-specific themes or templates - and it provides query_vars platform & browser.
Just a simple plugin to detect if a visitor is using ipv6 or not.
This plugin automatically adds HTML anchor tags to plain text links and email addresses embedded in the content of posts and pages.
TrollGuard is a free WordPress plugin that protects your blog from spam comments.
Enables you to detect your commenterís info and show their country flag, web browser, operating system icons automatically.