Gaurav Tiwari

<ul>
<li>Lightweight – Just 5kB in size.</li>
<li>Tested on WordPress 3.5+ // WordPress 4.1 recommended.</li>
<li>Customize the way you want.</li>
<li>Link to one of your blog pages.</li>
<li>Free support and future updates at <a href="http://gauravtiwari.org/" title="Gaurav Tiwari" rel="nofollow ugc">personal blog</a></li>
</ul>

Beautiful Recent Posts Widget

Beautiful Recent Posts Widget (BRPW) is a clean minimal sidebar widget to showcase your recent articles in a clean & beautiful way.

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.

Beautiful Recent Posts Widget vs Expanding Archives