FastStone Image Viewer, IrfanView, Microsoft Photos, Windows Photo Viewer, Picasa, XnView, Mylio, Preview, gThumb, Gwenview, Windows Live Photo Gallery, HoneyView, Perfect Viewer, iPhoto, nomacs, QuickViewer, Eye of GNOME, KPhotoAlbum, A Photo Manager, Xee, photos2webgallery, Ristretto, Xviewer, Prodibi, Picturama, Pictureflect Photo Viewer, Viewnior, PhotoInsight, Simple BPG Image viewer, Fototriever, Imaginario, JPEGView, Visum Photo Viewer, Cluttr, Xlideit Image Viewer, Basic Photo Viewer, Arcane Marks, qimgv, Image Detail, ViewPic, FFView, RoloViewer, GPicView, FocusOn Image Viewer, Phot-Awe, Maverick Photo Viewer, Hamana are some alternatives to ImageGlass.