Sometimes we need to check in remote servers if port is open or not. We use different tools like nmap, telnet, nc etc.
But in most of the cases we need to install various tools in platforms to run these.
So I created one small port scanner tool that using python socket, which comes with python and we dont need to install extra modules or packages for it.
It works perfectly, irrespective of the platform, windows, linux unix, macos etc.
Here is the tool.