The main features of sharpaccent/astar-for-unity are: Pathfinding and AI.
Open-source alternatives to sharpaccent/astar-for-unity include: crashkonijn/goap — A multi-threaded GOAP system for Unity. habrador/self-driving-vehicle. ikpil/dotrecast — DotRecast - a C# port of Recast & Detour, Industry-standard navigation mesh toolset for .NET, Unity3D, games, servers. kink3d/simpletraffic. ricardojmendez/unitysteer — Steering, obstacle avoidance and path following behaviors for the Unity Game Engine. tutsplus/a-star-pathfinding-for-platformers.
DotRecast - a C# port of Recast & Detour, Industry-standard navigation mesh toolset for .NET, Unity3D, games, servers