Drupal Commerce is an open source e-commerce framework built on Drupal.
Websites using some form of Captcha technology on them.
Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
See what your Facebook friends have liked, shared, or commented on across the Web. This includes all variations of Like, Share and Follow Buttons, Embedded Posts, Comments, Activity Feed, Recommendations Feed, Recommendations Bar, Like Box and Facepile.
Drupal is a free software package that allows you to easily organize, manage and publish your content, with an endless variety of customization
Vanilla is an open-source, standards-compliant, multi-lingual, fully extensible discussion forum for the web.
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
Constant Contact's Small Business Marketing suite of tools help you reach, engage, and acquire new customers through email, events, and social media
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".