On-Screen Keyboard & Mouse-Click Visualizer — Always-On-Top Overlay for Linux/Wayland (COSMIC, sway, Hyprland, KDE Plasma, wlroots) — v3.8.13

Double-click .deb for Pop!_OS (COSMIC), Ubuntu and Debian — open it and press Install. On first launch the input reader asks for your password once (it reads libinput). Other distros: build from source (see README).