Since I'm a Photoshop user, I have folders all over my computer with photographs. I'm always looking for a better way to stay organized.
Windows Live Photo Gallery. It can import photos directly from your camera. Photos can be easily sorted by type or date.
There is also a tagging option so they are very easy to search.
It even comes with a tool to burn your photos directly to a CD.
It's simple and the best part about it is that of course, it's FREE!
You can download it directly at the following site:
And of course for Mac users, there's nothing like iPhoto.