Storage and public retrieval of .tif images?

Hello folks. First of all, I'm sorry if I'm in the wrong place… please redirect me!

I've got a friend whose company has a software that was privately written using Dev Express / Visual Studio 2013 / C# / VB. It is able to catalog, search for, and retrieve .tif images. The database is online and there are both member and guest options for access/checkout.

The developer has retired and my friend is scrambling to find someone who can continue to maintain the database or for an alternative software that has similar functionality.

Suggestions on which direction to point her in?