| PowerShell | BaSH | Python | NodeJS | |
| Open Source | Yes | Yes | Yes | Yes |
| Cross-Platform | Yes | Yes | Yes | Yes |
| Object Oriented | Yes | No | Yes | Yes |
| Case-Sensitive | No | Yes | Yes | Yes |
| First Appearance | 2006 | 1989 | 1991 | 2009 |
| Designed By | Jeffrey Snover, Bruce Payette, James Truher | Brian Fox | Guido van Rossum | Ryan Dahl |
| License | MIT License (but the Windows component remains proprietary) | GNU GPL v3 | Python Software Foundation License | MIT |