Instrumental is a server monitoring application that helps businesses monitor web applications and IT systems in real-time. Administrators can connect the platform with AWS CloudWatch and access dashboards across EC2, RDS, CloudFront, Redshift, EBS, ElastiCache, and Lambda. Professionals can gain insights into metric queries using graphs and share details with team members in various formats including PNG and HTML. Administrators can utilize the application to monitor service or server properties such as the utilization of CPU, disk, and memory.