There are several popular scripts and tools available for optimizing and debloating Windows. Here are some of them:

1. Windows 10 Optimization Script: This script is available on GitHub and includes tweaks specifically for GPD Win and servers. It also provides a workaround for disabled script execution.

2. Win-Debloat-Tools: This is a collection of scripts available on GitHub for debloating Windows.

3. ET All-in-One Optimization Script: This script provides a one-click option for performance optimization, privacy fixes, and the removal of bloatware. It works on Windows 10 Home 22H2, Windows 11 Enterprise 22H2, and Windows 8.1 Build 9600 (partial support).

4. Windows10Debloater: This script/utility/application is designed to debloat Windows 10, remove unnecessary pre-installed applications, and stop some telemetry functions.

5. Windows-10-optimize-script: This script removes potential bloatware that comes with Windows 10 and optimizes some settings. It is available on GitHub.

6. ChrisTitusTech/win10script: This script debloats and optimizes Windows 10 and 11 for maximum performance. It installs any program listed that you click on using WinGet, removes telemetry, disables Cortana, and deletes various services and features.

7. Sycnex/Windows10Debloater: This script is designed to remove Windows 10 bloatware and stop some telemetry functions.

8. TheVDIGuys/W10_1803_VDI_Optimize: This script is designed to optimize Windows 10 Enterprise, 1803, for use in a VDI environment.

Please note that before running any of these scripts, it’s recommended to create a backup of your system or try them on a virtual machine first to avoid any potential issues. Also, make sure to review the scripts to understand what changes they will make to your system.