Cresencio

<p>This plugin will allow you to create a bootstrap accordion with default styles to any post, page or section with a default WordPress editor. After installing this plugin you will have a tiny button added to your editor that will help you generate the necessary shortcode.</p>
<p>Features:</p>
<ol>
<li>Fully responsive</li>
<li>Easy to use. </li>
<li>Add any type of content to an accordion section.</li>
</ol>
<h3>Demo</h3>
<p>For a demo of this plugin please the video at http://www.youtube.com/watch?v=HaqU1h1Okms</p>


WordPress Accordion

Add a responsive accordion to your WordPress website with this easy to use accordion plugin.

helpful.dev

<p>This plugin adds flexible Bootstrap 4 blocks to the WordPress editor for creating custom page layouts with the Bootstrap grid.</p>
<p>Are you using Advanced Bootstrap Blocks? <a href="https://wordpress.org/plugins/advanced-bootstrap-blocks/#reviews">Write a review</a>!</p>
<h3>Blocks</h3>
<p>Advanced Bootstrap Blocks adds the following Bootstrap 4 blocks to the WordPress editor:</p>
<ul>
<li>Container (fixed-width or fluid, with background image settings)</li>
<li>Row</li>
<li>Column</li>
<li>Button and Button Group</li>
<li>Card with Header, Body, Footer</li>
<li>Jumbotron</li>
</ul>
<h3>Block Templates</h3>
<p>Do you need to create standard block layouts for WordPress pages and posts? The WordPress editor lets you define custom block templates inside your theme.</p>
<p>The example below may get you started. Visit the <a href="https://developer.wordpress.org/block-editor/developers/block-api/block-templates/" rel="nofollow ugc">WordpPress Block Editor Handbook</a> to learn more about supercharging your WordPress themes with blocks templates.</p>
<pre><code><?php
if(in_array('advanced-bootstrap-blocks/advanced-bootstrap-blocks.php', apply_filters('active_plugins', get_option('active_plugins')))){ 
    // do stuff only if the Advanced Bootstrap Blocks plugin is active              
    add_action( 'init', 'advancedbootstrapblocks_register_page_template' );
    function advancedbootstrapblocks_register_page_template() {
        $post_type_object = get_post_type_object( 'page' );
        $isFluid = get_theme_mod( 'understrap_container_type' ) === 'container-fluid'; 
        $post_type_object->template = [
            [ 'advanced-bootstrap-blocks/container', 
                ['className'=>'py-5', 'isWrapped' => $isFluid, 'isFluid' => false ], 
                [
                    [ 'advanced-bootstrap-blocks/row', 
                        [],
                        [
                            [ 'advanced-bootstrap-blocks/column', 
                                ['className'=>'col-md-8 offset-md-2 text-center'], 
                                [
                                    ['core/heading', 
                                        [ 'className' => 'display-4', 'level' => 1, 'placeholder' => 'Hello, World!', ], 
                                        []
                                ],
                                    [ 'core/paragraph', 
                                        ['className' => 'lead', 'placeholder' => 'Lorem ipsum dolor sit amet.', ], 
                                        []
                                    ],
                                ]
                            ]
                        ]
                    ]
                ]
            ],
        ];
    }
}
</code></pre>


Advanced Bootstrap Blocks

... and that's not saying much because the others were broken or terrible. Even still, this one is on the right track, and I'm happy to see that at least somebody is getting it right. Thanks for your hard work!

So far the best bootstrap block plugin

This is really well done, it does lack some features to become perfect, and has some issues with the editor (columns chaos if multiple classes are set) but it works perfectly. By far the fastest way to get Bootstrap into Gutenberg : THUMBS UP

Very usable !

Build responsive Bootstrap 4 layouts inside the Gutenberg editor.

WordPress Accordion vs Advanced Bootstrap Blocks