Collection Inventory Software

What software do you use to keep up with your collection?
In my case, it would need to be very simple. Pictures would be a must. I would assume it would be organized by caliber.
I appreciate the input
William

Here is a recent link to that same subject…

Hello.
I I use Mselect.

http://mselect.free.fr/index_en.htm
http://ecradataviewer.free.fr/

Thank you BaderJack & pierrejean for your responses.