Linux Softwares to Full-screen Support

PyRoom is a minimalist, full-screen writing application designed to eliminate distractions and help users focus solely on the writing process. It provides a clean, unobtrusive interface for distraction-free text editing.

Geeqie is a blazingly fast and extremely customizable Gtk+ based image viewer designed for Unix-like operating systems. It excels at efficient photo browsing, organization, and basic editing, making it an ideal tool for photographers and anyone dealing with large image collections.