Tangram is a MapZen company project. There is a smalll tutorial for getting started at https://tangrams.github.io/tangram-tutorial/
We choose to play with it, featuring basic map creation with Tangram.
Two files are required:
Demo is available at http://bl.ocks.org/ThomasG77/52f729ba5bf18d5051018dec516fe778
Feel free to ask any questions or improvements in the comments.