scaleSQL Consulting has created a variety of utilities for use with SQL Server.
ClearTrace analyzes extended event or trace files to show you which queries are consuming the most resources.
Is It SQL is a simple SQL Server monitoring solution designed to quickly decide if your current performance problem is SQL Server related.
xelogstash reads SQL Server Extended Events and writes them to Logstash, Elastic Search, and/or JSON files for use with Filebeat.
SQLDSC applies a desired state to a fleet of SQL Servers.