Scout APM is described as 'Application Monitoring that finds what you can't see in charts. Identify slow database queries, N+1s, sources of memory bloat, performance abnormalities, and more'. There are more than 50 alternatives to Scout APM for a variety of platforms, including Online / Web-based, Linux, Windows, Mac and SaaS. The best alternative is Zabbix, which is both free and Open Source. Other great apps like Scout APM are Nagios (Freemium, Open Source), Spiceworks Help Desk (Free), Datadog (Paid) and PRTG Network Monitor (Freemium).
Gather and analyze accurate statistics and performance metrics, visualize it, get notified about current and potential issues without delay, and take advantage of our time-tested professional development and support.
Datadog is a monitoring service for IT, Dev & Ops teams who write and run applications at scale, and want to turn the massive amounts of data produced by their apps, tools and services into a unified view of IT infrastructure. 120+ Integrations!.
An advanced network monitoring solution to monitor network up/downtime, traffic and usage. Features include availability, performance, and bandwidth monitoring (SNMP, WMI, packet sniffing, NetFlow), instant alerts, reporting, failover clustering.
Monit is a free open source utility for managing and monitoring, processes, programs, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.
Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring. Free accounts can ping a website every 1 minute, from multiple locations around the globe, and send email alerts.
NetCrunch is an all-in-one and agentless network, server, application, log, file and web monitoring suite, capable of monitoring more than 1 million elements at once. It runs on Windows Server and only needs 4GB of RAM and 4 cores.