Apache is a free and open-source cross-platform web server software.
A multi-dimensional charting library built to work natively with crossfilter and rendered using d3.js
Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.
Gatsby is a React-based open-source framework with performance, scalability and security built-in.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
React is an open-source JavaScript library for building user interfaces or UI components.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.