Apache is a free and open-source cross-platform web server software.
Flickity is a JavaScript slider library, built by David DeSandro of Metafizzy fame.
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.
Plausible is an open-source alternative to Google Analytics.
Storyblok is a headless CMS with a visual editor for developers, marketers and content editors. Storyblok helps your team to manage content and digital experiences for every use-case from corporate websites, ecommerce, helpdesks, mobile apps, screen displays, and more.
Unpkg is a content delivery network for everything on npm.