Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Gravatar is a service for providing globally unique avatars.
Livewire is a full-stack Laravel framework for building dynamic interfaces.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Tidio is a customer communication product. It provides multi-channel support so users can communicate with customers on the go. Live chat, messenger, or email are all supported.