✨Spark is a web-based, cross-platform and full-featured Remote Administration Tool (RAT) written in Go that allows you control all your devices anywhere. Spark是一个Go编写的，网页UI、跨平台以及多功能的远程控制和监控工具，你可以随时随地监控和控制所有设备。

Monitorix is a free, open source, lightweight system monitoring tool.

BlueWave Uptime is an open-source, self-hosted monitoring tool built with React.js, Node.js, and MongoDB, designed to track server uptime, response times, and incidents in real-time with beautiful visualizations. Get powerful insights and proactive alerts to keep your services running smoothly.

Server Monitoring Command for Laravel Applications

A responsive, eye-pleasing Linux server statistics dashboard.

Lightweight monitoring and analytics for API frameworks.

Manage multiple servers with different operating systems, configurations, requirements etc. for many separate customers in an outsourcing model.

Lightweight and minimalistic open-source Servers and HTTP monitor

A PHP application to monitor the health of your servers

HetrixTools Server Monitoring Agent (Linux)

SSH System Monitoring -- Server monitoring over ssh for lazy people.

A Laravel Nova tool for Spatie's Server Monitor library.

Dashboard for WordOps backend

A CLI Remote Administration Tool for administrating a network over a TCP connection. Extremely simple and modular containing over 26 functions.

sspender helps you suspend your server (and spindown disks) when idle.

Nagmap Reborn - Standalone integration with some server monitoring systems providing a user-friendly interface through geographic visualization.

🤠How to Set up Rancher Server Monitoring with TIG Stack?

Self-hosted website monitoring

360 monitoring agent

Tools to extract raw system counters from atop, aggregate them to generate high level performance metrics, whose are then injected into a Graphite database and visualize through Grafana dashboards.