Apache is a free and open-source cross-platform web server software.
Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Cosmic is a cloud-based CMS that provides developers with an API and web interface for content management, enabling the creation of custom content types, relationship definitions, and webhooks for actions based on content changes.
Elfsight is an all-in-one platform offering 70+ customisable widgets for websites.
Font Awesome is a font and icon toolkit based on CSS and Less.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
Typekit is an online service which offers a subscription library of fonts.
Unpkg is a content delivery network for everything on npm.
Varnish is a reverse caching proxy.