Ashley

Expanding Archives adds a widget that shows your old posts in an expandable/collapsible format. Each post is categorized under its year and month, so you can expand all the posts in a given month and year.
This plugin comes with very minimal CSS styling so you can easily customize it to match your design.
JavaScript is required. No IE support.

Expanding Archives

This plugin adds a new widget where you can view your old posts by expanding certain years and months.

mrwweb

Tusko Trush

jcdesign

Enables an editable description to display on post type archive pages. Show the description with WordPress’s <code>the_archive_description()</code> function that also displays taxonomy term descriptions. Will work automatically with many themes, including most default WordPress themes.
Translations: Archive descriptions are translatable via <a href="https://wordpress.org/plugins/polylang/" rel="ugc">Polylang</a>, <a href="https://wpml.org/?aid=255503&affiliate_key=8ZIRtAbJbX4x&dr=post-type-archive-descriptions-plugin" rel="nofollow ugc">WPML (affiliate link)</a>, and <a href="https://wordpress.org/plugins/qtranslate-x/" rel="ugc">qTranslate-X</a>.
The Events Calendar: The archive description is automatically added above the Events Bar when using the latest templates from <a href="https://wordpress.org/plugins/the-events-calendar/" rel="ugc">The Events Calendar</a>. Filter the location of the description or disable it entirely with the <code>ptad_tribe_template_before_include</code> filter.
<h4>Other Plugins by MRWweb</h4>
<ul>
<li><a href="https://wordpress.org/plugins/mrw-web-design-simple-tinymce/" rel="ugc">MRW Simplified Editor</a> – Get rid of bad and obscure TinyMCE buttons. Move the rest to a single top row.</li>
<li><a href="https://wordpress.org/plugins/post-status-menu-items/" rel="ugc">Post Status Menu Items</a> – Adds post status links–e.g. “Draft” (7)–to post type admin menus.</li>
<li><a href="https://wordpress.org/plugins/hawaiian-characters/" rel="ugc">Hawaiian Characters</a> – Adds the correct characters with diacriticals to the WordPress editor Character Map for Hawaiian</li>
</ul>

Post Type Archive Descriptions

Thanks Mark for this awesome plugin! It does exactly what it says.
Is it available on Github? I'd like to contribute.



Fantastic plugin, this should be part of the core!

Enables an editable description to display on post type archive pages. Show the description with WordPress's the_archive_description() function t …

Expanding Archives vs Post Type Archive Descriptions