Datadog is a monitoring service for cloud-scale applications, bringing together data from servers, databases, tools, and services to present a unified view of an entire stack. Developed by Datadog Inc
License: Freemium
Datadog offers a comprehensive monitoring solution with advanced features like machine learning and custom dashboards, making it ideal for larger organizations seeking in-depth insights. In contrast, Nagios Log Server is more cost-effective and simpler to use, catering well to smaller environments with basic monitoring needs.