PayasR

**Interesting/widely used implementations of pathfinding algorithms. 
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A*                                      Ruby    https://github.com/georgian-se/shortest-path
A* (bidirectional with shortcuts)       C++     https://github.com/valhalla/valhalla
A*                                      Unity   https://arongranberg.com/astar/front
NBA*                                    JS      https://github.com/anvaka/ngraph.path
NBA*                                    Java    https://github.com/coderodde/GraphSearchPal
NBA*                                    Java    https://github.com/coderodde/FunkyPathfinding
NBA* (Parallel)                         C++     https://github.com/janhsimon/PNBAStar