Displayfussion
Set a different wallpaper for every monitor.
Go to Settings > Taskbar and turn off "Show my taskbar on all displays." Then, let DisplayFusion handle the taskbars. This removes duplicate system trays and gives you a cleaner look. displayfussion
Different displays — different sizes, resolutions, orientations — act as one canvas. Content flows edge-to-edge without manual tweaking. Set a different wallpaper for every monitor
: Divide a large physical monitor (like an ultrawide) into multiple "virtual" monitors. Each split can have its own taskbar and wallpaper. Each split can have its own taskbar and wallpaper
The paid version unlocks the heavy hitters: Monitor Profiles, Triggers, Remote Control, and advanced Window Snapping. It is a one-time purchase (per major version), meaning you buy it once and own it forever.
Fade all inactive monitors to help you focus on your current task.