gThumb is an image viewer and organizer with a couple of limited options to also edit images. Developed by The GNOME Project
License: Open Source
F-Spot is a feature-rich photo management application ideal for users needing advanced editing, organization, and metadata support, particularly for Linux users. In contrast, gThumb excels in performance and simplicity, making it a better option for users looking for a lightweight and customizable image viewer and manager.