Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.
Django is a Python-based free and open-source web application framework.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Raphael is a cross-browser JavaScript library that draws Vector graphics for websites.
Sentry is an open-source platform for workflow productivity, aggregating errors from across the stack in real time.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.