webmaric

There are many plugins for adding recent posts in sidebar, I know… But this is my version. Its easy to use and has all the right settings.
For instance, you can choose posts from specific categories, number of posts, thumbnail size, number of words in excerpt…
<h4>Technical support</h4>
Dear users, this plugin is available for free download. If you have any questions or recommendations regarding the functionality of this plugin (existing options, new options, current issues), please feel free to contact me. I speak serbian and english. 
If you notice any bugs in the plugin, you can notify me about it and we’ll investigate and fix the issue then. Please don’t hesitate to contact me.

SidePost

To add recent posts in sidebar, with thumbnails, from specific categories...

WP Chill

CPO Widgets is a WordPress plugin that provides you with an number of essential widgets for any website. They give you additional functionality to easily display more varied content in your sidebars, such as images or tweets.
<ul>
<li><a href="https://wordpress.org/themes/ascendant/" rel="ugc">Ascendant</a></li>
<li><a href="https://wordpress.org/themes/affluent/" rel="ugc">Affluent</a></li>
<li><a href="https://wordpress.org/themes/allegiant/" rel="ugc">Allegiant</a></li>
<li><a href="https://wordpress.org/themes/antreas/" rel="ugc">Antreas</a></li>
<li><a href="https://wordpress.org/themes/transcend/" rel="ugc">Transcend</a></li>
<li><a href="https://wordpress.org/themes/intuition/" rel="ugc">Intuition</a></li>
<li><a href="https://wordpress.org/themes/illustrious/" rel="ugc">Illustrious</a></li>
</ul>
This plugin adds the following available widgets:
Recent Posts – A more powerful version of the default recent posts widget provided by WordPress. This widget allows you to display a thumbnail of each post and also to choose which post type to display.
Ad Space – Easily insert images without having to resort to writing HTML in a text widget. You can also link the image or add your own advertising code.
Social Profiles – Add links to your preferred social profiles, being able to choose from a long list of available social networks.
Recent Tweets – Display your latest tweets from any Twitter account. This widgets provides support for the Twitter API 1.1.
Flickr Images – Show your latest images from a Flickr account right into your sidebar, and linking to your Flickr gallery.
Author Badge – Display the profile of a specific user, showing the name, image, and profile description.
<h3>Included Widgets</h3>
<ul>
<li>Recent Posts</li>
<li>Image Banner widget</li>
<li>Social Profiles widget</li>
<li>Recent Tweets widget</li>
<li>Flickr Images widget</li>
<li>Author Badge widget</li>
</ul>

CPO Widgets

Add essential functionality to your WordPress sidebars with a set of useful widgets.

SidePost vs CPO Widgets