Top IMAGE-VIEWER GitHub Repositories & Tools (2026)

claiming to be the best image viewer / photo collection browser

An image and texture viewer for tga, png, apng, exr, dds, pvr, ktx, ktx2, astc, pkm, qoi, gif, hdr, jpg, jxl, tif, ico, webp, avif, heic, and bmp files. Uses Dear ImGui, OpenGL, and Tacent. Useful for game devs as it displays information like the presence of an alpha channel and querying specific pixels for their colour.

A fast, beautiful image and video viewer that turns your media folders into a library.

Snappy and configuration-free text editor/IDE for the terminal. Suitable for writing git commit messages, editing Markdown, config files, source code, man pages and for quick edit-format-compile cycles when programming. Has syntax highlighting, jump-to-error, rainbow parentheses, macros, copy/paste portals, gdb, dlv and LSP support.