NIXStats might be a bit more popular than NMIS. We know about 1 link to it since March 2021 and only 1 link to NMIS. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I've been using NMIS for years. The best tool is the one you setup, maintain list of what to be monitored and it emails you when something is wrong. I rarely need to login because I get an email telling me what is wrong and a script that keeps my list of nodes up-to-date. Source: about 2 years ago
Nixstats.com - Free for one server. E-Mail Notifications, public status page, 60 second interval and more. - Source: dev.to / almost 3 years ago
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