linux4me2

This widget allows you to insert arbitrary Text and/or HTML code (optional) to precede a list of recent posts by category. It makes it easy to add introductory comments and to achieve interesting effects like wrapping your posts list around an image. It’s designed to be lightweight and easy on resources.
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Note: Widget Blocks, added in WordPress 5.8, make this plugin no longer necessary. The same results can be obtained by using a Widget Group, Heading Block, Custom HTML Block, and the Latest Posts Block. The latter also allows the use of multiple categories, which is not available with this plugin. Unless something major happens to change things, I won’t be developing the plugin beyond the current version (2.0.0).
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HTML Plus Recent Posts by Category Widget

Like the Legacy Recent Posts widget, but adds the ability to select the category and add text or HTML before the list of posts.

Mindstien Technologies

<a href="http://mindstien.com/pro-plugins/recent-posts-from-each-category-pro.php" rel="nofollow ugc">Click here to get Pro Version.</a>.
1.3 Updates: Admin interface added
Automatically display recent posts from all/selected categories in box layout on homepage. You can fully configure the layout using shortcode generator.
Now Use built int shortcode generator to configure all options.
Just put shortcode on any wordpress page/post to display the recent posts from each category. To display it on homepage, you have to configure wordpress homepage as static page and then use the shortcode in content of the static page.
Hire plugin author for your <a href="http://www.freelancer.com/u/mindstiente.html" rel="nofollow ugc">WordPress Development</a>.
Visit official website for this plugin at <a href="http://www.mindstien.com" rel="nofollow ugc">Mindstien Technologies</a>.

List horizonatally.....

Display Recent Posts From Each/Selected Category. Category Box View Plugin.

HTML Plus Recent Posts by Category Widget vs Recent Posts From Each Category