Amplitude is a web and mobile analytics solution with cross-platform user journey tracking, user behavior analysis and segmentation capabilities.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Razorpay is a provider of an online payment gateway that allows businesses to accept, process, and disburse payments.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.