This repo contains an MIT Licensed Isometric HTML5 tile engine Copyright © 2013 of Iain Hamilton and Edward Smyth.
The most current running dev build can be viewed here: http://isometric.beakable.com/
The engine is currently in early stages however it's planned to be as feature rich as an earlier project, Glacial Flame: http://www.youtube.com/watch?v=Qlsipfu5Qq4.
Follow more about this project on my Twitter: https://twitter.com/Beakable
Pathfinding (All cuboids apart from blue are AI)
Pathfinding calculations are handled via webworkers.
Fog of view and lighting toggled on (blue cuboid represents player)