Contao is an open source CMS that allows you to create websites and scalable web applications.
Elfsight is an all-in-one platform offering 70+ customisable widgets for websites.
Lightbox is small javascript library used to overlay images on top of the current page.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Tiny Slider is a vanilla javascript slider for all purposes.
Reveal CSS animation as you scroll down a page.