First Impression is described as 'free and minimal image viewer with a focus on maximizing the space used for viewing your images by doing away with command bars and buttons' and is an app in the Photos & Graphics category. There are more than 50 alternatives to First Impression for a variety of platforms, including Windows, Mac, Linux, PortableApps.com and iPad. The best alternative is IrfanView. It's not free, so if you're looking for a free alternative, you could try JPEGView or Photoscape. Other great apps like First Impression are XnView MP (Free Personal), FastStone Image Viewer (Free Personal), XnView (Free Personal) and qView (Free, Open Source).
FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor. It has a nice array of features that include image viewing, management, comparison, red-eye removal, emailing, resizing, cropping and color adjustments.
ACDSee is a complex, multi-purpose application that serves for viewing, organizing and editing digital photos. Furthermore, images can be shared on social websites or your own space on the developer’s website.
gThumb is an image viewer and browser for the GNOME Desktop. Features Image Viewer * View single images (including GIF animations). Supported image types are: BMP, JPEG, GIF, PNG, TIFF, ICO, XPM. * View EXIF data attached to JPEG images.