OneSignal - Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Braze - Braze is an engagement platform that empowers growth by helping marketing teams to build customer loyalty through mobile, omni channel customer experiences.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996