Gong is conversation intelligence software for sales teams that uses AI to record, transcribe, and analyze sales conversations.gong.io
New Relic's application monitoring gives you detailed performance metrics for every aspect of your environment. Manage application performance in real-time. New Relic is the market leader, but tends to be on the more expensive end.
Google Analytics is Google's free web analytics service that allows you to analyze in-depth detail about the visitors on your website. It provides valuable insights that can help you to shape the success strategy of your business.