Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Getsitecontrol is a form and popup builder.
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.
ipapi.co is a web analytics provider with IP address lookup and location API.
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.
Linkedin Ads is a paid marketing tool that offers access to Linkedin social networks through various sponsored posts and other methods.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Umbraco is an open-source Microsoft ASP.NET based content management system.