Reading about tools more commonly used on *nix than Windows such as Python and Ruby, there's often references to command line utilities on Linux. These often have a Windows equivalent, and I'm going to compile the list of references I use here to make them easier to find.
To call a PowerShell (PS) script from another PowerShell script and have it run in a second terminal window without exiting, you can use a script similar to:
Start-Process PowerShell.exe -ArgumentList "-noexit", "-command .\local_path\start_server.ps1"
When developing in Visual Studio Code, I
If you need to figure out whether a port is open between two machines in the firewall, Telnet is a useful program commonly referenced at my employer.
The format for the command in Windows is:
telnet <address> <port>. A successful connection is just a blank command