Cello seems to make its way to HN quite often. The author (also of buildyourownlisp.com fame) has previously posted his motivations for building libcello on HN:

Cello seems to make its way to HN quite often. The author (also of buildyourownlisp.com fame) has previously posted his motivations for building libcello on HN: https://news.ycombinator.com/item?id=8800575 https://news.ycombinator.com/item?id=8800575 Another previous discussion: https://news.ycombinator.com/item?id=6047576 https://news.ycombinator.com/item?id=6047576