Easy Tabs 3.0 - Magento Tabs extension for product page and any other page.
- show unlimited number of tabs on product page
- create your custom tabs and place them anywhere you want
- widget for Magento CMS
- responsive design, works fine on mobile devices
- unset blocks display in tab to avoid content duplication
- use custom templates for tab content
- show other extensions content in tab using Custom Block tab
- show number of reviews, tags, questions, etc by calling eval code in tab title
More details about Easy Tabs you can find at documentation page. Including configuration description and use cases.