Breal is a theme for the X11 mouse cursor.
X11 provides the basic framework for building GUI environments, such as drawing and moving windows on the screen and interacting with a mouse and/or keyboard. Unlike previous display protocols, X11 was designed to be used over network connections for network transparency.
The X.Org Foundation leads the X project, with the current reference implementation being the X.org Server, available as free software under the MIT License and similar permissive licenses. Breal is compatible with this implementation.
Breal is a useful addition for those looking for a visually unique X11 mouse cursor theme. The theme is well designed and adds a personal touch to the user interface. Overall, it's worth considering if you're looking for a creative spin on the traditional X11 interface.