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.
Typekit is an online service which offers a subscription library of high-quality fonts. The fonts may be used directly on websites or synced via Adobe Creative Cloud to applications on the subscriber's computers.
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.
Sumo is easy to install on any website or CMS, Sumo is a suite of free app-like tools for growing website traffic, email subscriber lists and monitoring engagement.
Wix is a website building & publishing platform which helps users create professional websites exactly the way they want, with a drag & drop website editor.