Imagenation
Lets external programs display images through a host plugin.
Listed by this publisher. Follow the linked documentation for setup, dependencies and current patch support.
NightmareXIV
Add this URL to Dalamud’s custom plugin repositories, then find Imagenation in the plugin installer.
https://raw.githubusercontent.com/NightmareXIV/MyDalamudPlugins/main/pluginmaster.json