The Introduction section of this site discusses some of the important concepts related to weather routing in general, and more specifically, how LuckGrib approaches weather routing.
The Getting Started section guides you through using the system, along with some examples of how the system can be used. (Even if you are familiar with weather routing in general, you are encouraged to read through the Getting Started guide.)
This user manual describes the components of the weather routing system.
LuckGrib Weather Routing is currently only available on macOS. Support for iOS and iPadOS is under development.