A new widget that shows a calendar based on existing post types.
<ul>
<li>Select any available post type to show</li>
<li>Filter by any custom taxonomy term tied to the selected post type</li>
<li>List a maximum of 10 items below calendar</li>
<li>Set a prefix for every listed item</li>
<li>Filters and hooks</li>
</ul>

WordPress Calendar For Custom Post Types

Because the builtin calendar doesn't have such an option.

Sérgio Santos

Adds WPML compatibility to <a href="https://wp-papi.github.io/" rel="nofollow ugc">WordPress Page Type API</a>.
<a href="https://github.com/log-oscon/papi-compatibility-for-wpml/issues" rel="nofollow ugc">Bug report</a> 
<a href="https://github.com/log-oscon/papi-compatibility-for-wpml" rel="nofollow ugc">Source</a>

WordPress Calendar For Custom Post Types vs Papi compatibility for WPML