Our UX designers swear by this tool, that gives us valuable information on how our users interact with the app. Thanks to FullStory, we've implemented A/B testing that helps us to fine-tune and polish our interfaces to perfection. FullStory
Sentry is a very powerful error reporting tool. We use it both on front-end and back-end of Ataccama One. It proved to be invaluable in providing insights on our errors - what caused it, what user did before the error occured, stack trace, release tracking and more. Sentry
Slack is used as a company-wide communication tool. In addition, we've got a few channels set up to notify developers about build failures, thrown exceptions on production servers and stuff like that. Slack
Our state management library of choice. Redux has a simple concept, but it's flexible enough and it's React binding library, react-redux, contains a lot of performance-optimized code to make the most out of this combo. Redux.js