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.
Lucky Orange is a conversion optimisation tool with features including heatmaps, session recording, conversion funnels, form analytics, and chat.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.