opti is described as 'Simple, transparent media viewer' and is a Image Viewer in the photos & graphics category. There are more than 25 alternatives to opti for a variety of platforms, including Linux, Mac, Windows, Flathub and GNOME apps. The best opti alternative is nomacs, which is both free and Open Source. Other great apps like opti are qView, Gwenview, PureRef and Musebox.
eom or the Eye of MATE is a simple graphics viewer for the MATE desktop which uses the gdk-pixbuf library. It can deal with large images, and can zoom and scroll with constant memory usage. Its goals are simplicity and standards compliance. Eye of MATE is a fork of Eye of GNOME.
Madamiru is a cross-platform media player written in Rust that can automatically play and shuffle multiple videos, images, and songs at once in a grid layout.
