SharePoint Migration Utilities

When I Migrated or revamped SharePoint I need to do some tasks help migrate old items, alerts, etc with new structure. I wroted some utilities to do these tasks using SharePoint API. I know there is many tools can do these tasks but here will find free utilities to do simple tasks.
Copy Files
Copy list Document libraries  and mapped old properties to new properties.

Copy Alerts
Copy Alerts from source web to destination Web

Copy Images
Copy Images from source image library to destination image library

Copy List Items
Copy List Items from source list to destination list

Copy Pages with resources
Copy Publish Pages between source and destination, Update layouts, clean HTML

Copy SharePoint Security
Copy Security between source and destination list.

Jungle.SharePoint.Util
Utilities help in migration tasks