ActiveCampaign is email and marketing automation software.
Django is a Python-based free and open-source web application framework.
Google Analytics is a free web analytics service that tracks and reports website traffic.
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.
Sentry is an open-source platform for workflow productivity, aggregating errors from across the stack in real time.