PowerShell (including Windows PowerShell and PowerShell Core) is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language built on the .NET Framework. Developed by Microsoft
License: Open Source
Fish is designed to be user-friendly and features a more interactive shell experience with a focus on usability, especially for beginners. PowerShell, on the other hand, is a more powerful scripting language and shell environment, particularly suited for Windows administration and automation tasks.