Jekyll Posts Categories

jekyll-category

{% for category in site.categories %}
  <h1><a name="{{ category[0] }}">{{ category[0] }}</a></h1>
  {% for post in category[1] %}
    <li>
      <h3>
        <a class="post-link" href="{{ post.url | prepend: site.baseurl }}">{{ post.title }}</a>
      </h3>
    </li>
  {% endfor %}
{% endfor %}