Useful custom Python scripts/tools available in the Esri Community

Those appear to have all been developed by Jake Skinner from Esri Professional Services.

1. Report ArcGIS Enterprise/ArcGIS Online Item Dependencies: https://community.esri.com/t5/arcgis-enterprise-documents/report-arcgis-enterprise-arcgis-online-item/ta-p/907617
2. Migrate Content for ArcGIS Enterprise/ArcGIS Online: “Check out these tools to migrate hosted feature services, web maps, Web AppBuilder applications, Instant Apps, ArcGIS Dashboards, and Experience Builder applications between Enterprise environments (i.e. DEV–>STAGE–>PROD), or between AGOL organizations. (Source)”: https://community.esri.com/t5/arcgis-enterprise-documents/migrate-content-for-arcgis-enterprise-arcgis/ta-p/1365455
3. Report which Services are using Enterprise Geodatabase Data Stores: https://community.esri.com/t5/arcgis-enterprise-documents/report-which-services-are-using-enterprise/tac-p/1682104#M678
4. Generate Log File and Send via Email: https://community.esri.com/t5/python-documents/generate-log-file-and-send-via-email/ta-p/1652013
5. Send E-mail Notifications with ArcGIS Notebooks – Online: https://community.esri.com/t5/arcgis-notebooks-documents/send-e-mail-notifications-with-arcgis-notebooks/ta-p/1329699
6. Migrate Built-In Named User accounts to Enterprise Named User accounts (Active Directory/SAML) in ArcGIS Enterprise/ArcGIS Online: https://community.esri.com/t5/arcgis-enterprise-documents/migrate-built-in-named-user-accounts-to-enterprise/tac-p/1676490
7. Update ArcGIS Server Services after SQL Server Instance and/or Network File Share Change: https://community.esri.com/t5/arcgis-enterprise-documents/update-arcgis-server-services-after-sql-server/tac-p/1669048#M649
8. Update ArcGIS Server Service URLs in ArcGIS Online: https://community.esri.com/t5/arcgis-online-documents/update-arcgis-server-service-urls-in-arcgis-online/ta-p/1622286
9. Overwrite ArcGIS Online Feature Service using ArcGIS Pro Project: https://community.esri.com/t5/arcgis-online-documents/overwrite-arcgis-online-feature-service-using/tac-p/1677275
10. Overwrite ArcGIS Online Feature Service using Truncate and Append: https://community.esri.com/t5/arcgis-online-documents/overwrite-arcgis-online-feature-service-using/ta-p/904457
11. Download ArcGIS Online Feature Service or ArcGIS Server Feature/Map Service: https://community.esri.com/t5/arcgis-online-documents/download-arcgis-online-feature-service-or-arcgis/ta-p/919626
12. Update Hosted Feature Service with Feature Class: https://community.esri.com/t5/arcgis-online-documents/update-hosted-feature-service-with-feature-class/ta-p/917806
13. Add Individual Layers within ArcGIS Server Services as Items to ArcGIS Online/Portal: https://community.esri.com/t5/arcgis-online-documents/add-individual-layers-within-arcgis-server/ta-p/904425
14. Automate ArcGIS Enterprise backup: https://community.esri.com/t5/arcgis-enterprise-documents/automate-arcgis-enterprise-backup/ta-p/914090