• https://www.blackfire.io
• https://newrelic.com
• Site24x7 - https://www.site24x7.com/help/apm.html
• https://github.com/elastic/apm-agent-php
• https://medium.com/@sirajul.anik/elastic-apm-for-php-developers-using-apm-with-laravel-baa2700c4c1b
• https://www.atatus.com/
• https://stackify.com/retrace/
• https://pinpoint-apm.github.io/pinpoint/
• https://tideways.com/