PokemonGo-Map - PokemonGo Map is a web-based tool that helps you quickly locate all the nearby Pokemon on the map.
Unity - The multiplatform game creation tools for everyone.
Pokecrew - Crowdsourced Pokemon Go map
Godot Engine - Feature-packed 2D and 3D open source game engine.
TypeDex - A comprehensive Pokémon type calculator and Pokédex
Blender - Blender is the open source, cross platform suite of tools for 3D creation.