SNClient
SNClient is an open-source (drop-in for most use cases) general purpose monitoring agent as replacement for the well-known NSClient++.
It was written from scratch in Golang using todays state-of-the-art technologies. All the test and build procedures are located on GitHub.
It’s available for Linux, Windows and MacOS for i386, x86_64 and arm64 (detailed list of supported operating systems).
Have a look at the installation page for first steps.
Releases
The latest release can always be found here.