Eye of Gnome (eog) - Simple image viewer for the GNOME desktop.
QuickLook - Bring macOS “Quick Look” feature to Windows.
Seer - A Windows Quick Look Tool in Qt.
qView - qView is a Qt-based image viewer designed to be practical and minimal
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
nomacs - nomacs is a free, open source image viewer, which supports mu