Ziagl 

A library for data and logic for cities of tiled based games.

A library for data and logic for units of tiled based games.

A hexagon grid implementation of http://www.redblobgames.com/grids/hexagons/.

An implemenation of AStart path finding for hexagonal maps.

A hexagon map generator for Tiled Map Editor (https://www.mapeditor.org/) files.

A library for all AI utility functions for a tiled based games.

A library for resource handling and economy (production path and buildings) for tiled based games.

A logical hex-grid implementation based on Amit Patel's examples at http://www.redblobgames.com/grids/hexagons/.