TL;DR: The closest YC-backed alternatives to <strong>Treehouse</strong> are other Y Combinator Consumer companies, especially from the Summer 2008 batch. Below are 20 ranked competitors with batch, status, and team size.
Y Combinator-backed Consumer companies similar to Treehouse (YC Summer 2008).
Last verified:
PosterousYC Summer 2008 · Acquired · 11 people— Dead simple blogs by email
JustSpottedYC Summer 2008 · Acquired · 2 people— Acquired by Google in 2011