GraphQL - GraphQL is a data query language and runtime to request and deliver data to mobile and web apps.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
ProxySQL - ProxySQL: high-performance, GPL licensed MySQL proxy. It supports hundreds of thousands of concurrent connections and can be multiplexed to hundreds of servers.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
IntegrateDB.org - The integration database that doesn't smell.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996