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.
Create a set of desirable QR Codes to help customers contact you. They even publish an online business card so user can have a presence wherever user's customers take their smart phone (iPhone, Android, Blackberry). All in a simple step-by-step online questionnaire.
GitHub is a place to share code with friends, co-workers, classmates, and complete strangers, helping individuals and teams to write faster, better code.
Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.
Intercom is a customer communication platform with a suite of integrated products for every team, including sales, marketing, product, and support. Intercom products enable targeted communication and engagement with leads and customers via website, inside web and mobile apps, and by email.