CloudMonix is described as 'provides advanced cloud monitoring and automation for applications and services deployed on the Microsoft Azure and AWS platforms and built with MSPs, CSPs and DevOps in mind' and is an app in the Network & Admin category. There are more than 100 alternatives to CloudMonix for a variety of platforms, including Linux, Windows, Online / Web-based, Mac and Self-Hosted solutions. The best alternative is Zabbix, which is both free and Open Source. Other great apps like CloudMonix are Grafana (Free, Open Source), TrafficMonitor (Free, Open Source), Nagios (Freemium, Open Source) and NetWorx (Paid).
Sysdig is open source, system-level exploration: capture system state and activity from a running Linux instance, then save, filter and analyze. Think of it as strace + tcpdump + lsof + awesome sauce. With a little Lua cherry on top.
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.
Checkmk is a monitoring tool of servers, applications, networks, cloud, containers, storage, databases, IoT and more. Checkmk is available as Raw Edition, which is 100% pure open source, and as Enterprise Edition with a lot of additional features.
Observium is an autodiscovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware and operating systems including Cisco, Linux, FreeBSD, Juniper, Brocade, Foundry, HP and many more.
Splunk is software that provides unique visibility across your entire IT infrastructure from one place in real time. Only Splunk enables you to search, report, monitor and analyze streaming and historical data from any source.
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.
NTop is a hybrid layer 2 / layer 3 network monitor, that is by default it uses the layer 2 Media Access Control (MAC) addresses AND the layer 3 tcp/ip addresses. ntop is capable of associating the two, so that ip and non-ip traffic (e.g.