matrix.org/templates/ecosystem.html

{% extends "section.html" %}
{% block content %}
<div class="content">
    <header>
        <h1>{{ section.title }}</h1>
    </header>

    <ul>
    {% for subsection_path in section.subsections %}
    {% set subsection = get_section(path=subsection_path) %}
        <li><a href="{{ subsection.path }}">{{ subsection.title }}</a> &ndash; {{ subsection.extra.summary }}</li>
    {% endfor %}
    {% for page in section.pages %}
        <li><a href="{{ page.path }}">{{ page.title }}</a> &ndash; {{ page.extra.summary }}</li>
    {% endfor %}
    </ul>
</div>
{% endblock content %}