FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor. Developed by FastStone Soft
License: Free Personal
Zoner Photo Studio offers a complete suite of photo editing and management tools, making it ideal for serious photographers, while FastStone Image Viewer provides a lightweight and fast solution for basic image viewing and organization without extensive editing capabilities. The choice between them depends on the user's need for editing versus quick viewing.