Two commonly suggested desktop alternatives are Adobe Lightroom and XnView MP.

• Adobe Lightroom is a strong choice if you want robust cataloging, ratings, and light editing in one place. It’s well suited to large libraries and more serious workflow needs.
• XnView MP is a free, fast viewer with cataloging features, broad file support, and is often suggested when quick browsing is important.

A key difference between photo managers is how they store your information:

• Some, like Lightroom, rely heavily on a catalog/database. That works well, but moving to a new computer usually means transferring the catalog and keeping the same folder structure.
• Some programs write data into the image’s metadata/EXIF/IPTC fields, when the format supports it.
• Others use sidecar files to store edits and settings.

There are also cloud-based options such as Flickr or Google Photos for storage and metadata-based organization, though they’re less like a direct desktop replacement for fast local folder browsing.

So if you want the closest full workflow replacement, look at Lightroom; if you want a lightweight free browser/catalog tool, XnView MP is a good place to start.