Apps similar to DesktopCoral include Always On Dock. It's paid, but Workspace Utilities is free. Between them they cover Windows.
Reserve space on your desktop for three always-visible apps that never get covered. Supports notes, chat, reference, calculators, video calls, or tutorials. Easily dock, resize, reorder, or hide the area. Compatible with all Windows programs and works fully offline.
Workspace Utilities is a tiny utility app that gives the ability to resize and position windows based on presets. This increases your productivity by allowing you to effectively use all available desktop space how you see fit. It supports multiple monitors too.
