There are 2 repositories under hexagonal-grid-library topic.
A GUI agnostic hexagonal grid library. Supports a multitude of grid layouts including hexagonal, triangular, rectangular and more.
A library to manage 2D hexagonal tiles in Unity.
Library for working with hex grids. Finds paths and ranges, has terrain and movement types, stores the graph, supports the offset and cube coordinate systems.
A prototype of card game mechanics.
Hexagon routines for use in for software that uses hexagon grids.