Metalsmith (metalsmith.io) actually uses consolidate.js as a template manager. consolidate.js supports 24 separate template engines (https://github.com/visionmedia/consolidate.js). So Metalsmith's "templates" entry that only lists "Handlebars" is extremely misleading.
I suspect there are other generators on staticgen.com that also use consolidate.js and suffer the same misrepresentation. (I just don't know the other generators well enough to know off the top of my head which ones use consolidate.js.)
Of course, an error such as this makes me doubt all the other information presented on staticgen.com