pathfinding

graphhopper

+8

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

baritone

+7

google maps for block game

Unity-Script-Collection

+3

A maintained collection of useful & free unity scripts / library's / plugins and extensions

NavMeshPlus

+3

Unity NavMesh 2D Pathfinding

libtcod

+1

A collection of tools and algorithms for developing traditional roguelikes. Such as field-of-view, pathfinding, and a tile-based terminal emulator.