...It features email and text notifications with customizable metrics for alerts such as Blocking, Long Running Queries and SQL Jobs, CPU %, Log file and TempDB growth. Another main feature is a detailed HTML based daily health report which provides a thorough overview of your database server.
dbWarden is written completely in SQL and requires sysadmin level permissions to run xp_instance_regread and xp_fixeddrives. Utilizes SQL Agent, DBMail and Operators.