In addition to Amazon CloudWatch, there are two other AWS tools for performance monitoring: AWS X-Ray: A service that helps you trace requests as they travel through your AWS application. With X-Ray, you can analyze and debug performance bottlenecks, identify errors, and optimize your application for better performance. ManageEngine Applications Manager: A comprehensive application performance monitoring tool that supports monitoring of various AWS services, including EC2 instances, RDS databases, and S3 buckets. It provides insights into the performance of your applications running on AWS.