nomacs - nomacs is a free, open source image viewer, which supports mu

Smart Pix Manager - Smart Pix Manager is a powerful and reliable solution for the management and viewing of all documents, common images, sound (WMA, MP3), and video files (AVI, MPEG), etc.

XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!

sxiv - Simple X Image Viewer. Contribute to muennich/sxiv development by creating an account on GitHub.

JetPhoto Studio - JetPhoto Studio is a sleek and easy-to-use digital photo software that allows users to manage their photos in an attractive, intuitive mode and turning a sometimes frustrating chore into a fun and easy way by clicking only several steps.

qimgv - Simple image viewer written in qt. Supports webm playback.