Apps similar to Checkmk include Zabbix, which is free and open source. Other options are Netdata, Better Stack, Nagios and Datadog. There's no shortage of Network Monitors like Checkmk, with more than 50 alternatives for Linux, the web, self-hosting, Windows and Mac.
LANState is a simple NMS with the network topology mapping and device monitoring functions. Add hosts to a graphical network map and monitor their state in the real time. Receive failure notifications when hosts and services go down.
Russia
UISP is Ubiquiti Network's management platform for all UISP, LTU, airMAX, airFiber devices. It also includes built in CRM and billing for ISPs.
United States
Bloonix is a software for monitoring IT infrastructures. With Bloonix everything can be monitored what is to be reached about a network connection and for which there is a Plugin. Hardware components can be also monitored on which Bloonix cannot be installed, as for example...
Germany
EU
