Post type descriptions - puts a wysiwyg editor for CPTs in an intuitive location on the CPT index. Useful for things like lead-in paragraphs on a CPT archive. Wrapped conveniently in a plugin

archive.php

<?php //https://bitbucket.org/webspec/webspec-post-type-descriptions

//As of WP 4.1
echo get_the_archive_description();

//Pre WP 4.1
$obj = get_queried_object();
echo stripslashes(html_entity_decode($obj->description));