Sentry JavaScript Error Monitoring - Sentry JavaScript Error Monitoring is a user-friendly tool that is created to automatically apply source maps to transform minified, compiled code back to its original form.
Fiddler - Fiddler is a debugging program for websites.
Fluxguard - Deployment, Defacement, & Security Monitoring
Inspect Element - Inspect Element is a multi-functional tool that is introduced to get information about what makes the web tick, figure out what is broken in your sites, and mock-up what a specific color or font change would look like.
Typescript - TypeScript allows developers to compile a superset of JavaScript to plain JavaScript on any browser, host, or operating system.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.