Bugsnag is a WordPress plugin that automatically detects errors & crashes on your WordPress site, and notifies you by email, chat or issues system
Allows an administrator to make special exceptions to their private posts/pages (any content type), based on user role (or Guests), or IP address.
Official provider for the Raygun Crash Reporting and Real User Monitoring services. Notifying you of errors, crashes, performance issues and more.
Basic Developer Tools helps developers to log any variable, error or exception of which they need the value, without bloating their live environment.