Fathom is easy-yet-powerful website analytics that protects digital privacy.
Gravatar is a service for providing globally unique avatars.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.
Wufoo is an online form builder that creates forms including contact forms, online payments, online surveys and event registrations.