Bootstrap is a free and open-source front-end framework for designing websites and web applications. It contains HTML and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions.
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.
Google Optimize is a free website optimization tool that helps online marketers increase visitor conversion rates and overall visitor satisfaction by continually A/B testing different combinations of website content.
MailChimp gives you all the power of enterprise-level automation without any of the headaches. Provide timely, relevant information with MailChimp Workflows.
Microsoft Outlook is an personal information manager from microsoft which helps users communicate, manage schedules & find what they need quickly & easily.