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.
Selenium is a portable software-testing framework for web applications. Selenium provides a playback tool for authoring tests without the need to learn a test scripting language.
Stripe is an online payment processing tool for internet businesses. Stripe handles everything, including storing cards, subscriptions, and direct payouts to their bank account. Meticulously designed APIs and functionality help users create the best possible product for their users.
Stripe Billing is a recurring subscription engine integrated within the Stripe platform. Its job is to generate invoices. The Billing engine then automatically works towards collecting payments on those invoices.