AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Linkedin Sign-In is an authentication system that reduces the burden of login for users, by enabling them to sign in with their Linkedin account.
LiteSpeed is a high-scalability web server.
Modernizr is a JavaScript library that detects the features available in a user's browser.
PHP is a general-purpose scripting language used for web development.
Silverstripe CMS is a free and open source Content Management System and Framework for creating and maintaining websites and web applications.