ACDSee is an image organizer, viewer, and image editor programs for Windows, macOS and iOS. Developed by ACD Systems International Inc.
License: Commercial
Geeqie is an open-source image viewer primarily aimed at users looking for a lightweight and fast solution, making it ideal for casual use and Linux environments. In contrast, ACDSee offers a comprehensive suite of tools for image management and editing, catering more to professional photographers and users in need of extensive organizational features.