&gt; GitXiv[1] also has a comment section and voting features, and nobody uses it.<p>Likewise SciRate is a reasonably popular arXiv overlay, but the comments are never used: <a href="https:&#x2F;&#x2F;scirate.com&#x2F;" rel="nofollow">https:&#x2F;&#x2F;scirate.com&#x2F;</a>