sxiv has been discontinued. Similar apps include IrfanView, which is free for personal use. Other options are XnView MP, nomacs, XnView Classic and JPEGView. You're spoiled for choice with Image Viewers like sxiv: we list more than 25 alternatives for Windows, Linux, Mac, iPad and iPhone.
Gimmage is a small gtk image viewer, perfect for command line usage as it accepts directories and image filenames as arguments. It also has a filechooser integrated into the main UI, making accessing images and directories a snap.
