Constant Contact is an email marketing software that enables businesses of all sizes to create and send professional, mobile-optimized emails & drive engagement.
Microsoft Outlook is an personal information manager from microsoft which helps users communicate, manage schedules & find what they need quickly & easily.
SendGrid cloud-based email infrastructure relieves businesses of the cost and complexity of maintaining custom email systems. SendGrid provides reliable email delivery, scalability and real-time analytics along with flexible API's that make custom integration a breeze.
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML. It is free, open-source software using the permissive MIT License. Web analysis indicates that it is the most widely deployed JavaScript library by a large margin.
PHP: Hypertext Preprocessor is a server-side scripting language designed for Web development, but also used as a general-purpose programming language. PHP code may be embedded into HTML code, or it can be used in combination with various web template systems, web content management systems, and web frameworks.