EmailJS is a cloud-based email delivery service that allows you to send emails directly from your client-side JavaScript code without the need for a server-side implementation.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Mailchimp is a marketing automation platform and email marketing service.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.