I took some time to read through the architecture document[0] on HTMLbars yesterday and parts of the Blaze description sound very familiar. As a general observation, both libraries are focused on outputting DOM rather than HTML strings, which is interesting for various reasons. Maybe I'm missing some of the history here re: interaction between Meteor & Tilde, but I wonder if HTMLbars could have been useful in building out Blaze had it been in the works sooner?

[0] https://github.com/tildeio/htmlbars/blob/master/ARCHITECTURE...