iSoftware

Blocks lets you create your own reusable blocks of content where you can use shortcodes to insert code snippets, HTML including forms, iframes, etc and control formatting.
You can insert Blocks into pages, posts, widgets or directly into php content.
It is ideal for inserting reusable objects into your content that you can use side by side or as an alternative to standard posts.
It is fully compatible with WPML for content translation and WP Views for content filtering.
Configurable Features:
<ul>
<li>The “Output Mode” setting to control whether block content is rendered adding paragraphs and line breaks (wpautop) or not.</li>
<li>The “Sort Order” setting to control sort ordering when quering for a list of blocks.</li>
<li>The “Block Widget” that allows you put a block in any widget area on your site.</li>
<li>The “Multilingual Block Widget” that extends the normal “Block Widget” to work in a multilingual context with WPML (requires WPML plugin and Block Type Translation enabled).</li>
<li>The “isw-block” shortcode enables a block to be embedded in any post on your site.</li>
</ul>

iSoftware Blocks

This plugin lets you create your own reusable blocks of content.

Arno Esterhuizen

When you add text to the category description textarea and save the category, WordPress runs content filters that strips out all but the most basic formatting tags.
This plugin disables those filters for roles with the necessary permissions. Any html code you add to the category description will not be stripped out.
This plugin does not do anything other than disable the filters. It does not protect you from entering invalid HTML, nor does it help you create WYSIWYG HTML. You can use the post or page composing screen to help you create the text and formatting. Switch to the ‘code’ tab and copy the HTML code into the category description field.

Allow HTML in Category Descriptions

Great Plugin

This plugin allows you to use unfiltered HTML in your category descriptions by disabling selected WordPress filters.

iSoftware Blocks vs Allow HTML in Category Descriptions