Free bootstrap themes

Since I recently got into Bootstrap, I've been shopping round for some good themes. Here is what I have found so far on the free side of the fence:

• http://www.bootstrapstage.com/free-themes/
• http://www.bootstrapstage.com/merlin/
• http://halibegic.com/projects/merlin/

I'll grow this list as I discover new and appealing themes.

Saving Canvas as PNG

Christian Heilmann wrote an interesting little trick on how to save a Canvas element as a PNG file using Firefox's download attribute of a link. Check out the full article here: http://christianheilmann.com/2014/04/22/quick-one-using-download-attribute-on-links-to-save-canvas-as-png/