mg12

This plugin isn’t only SEO friendly, but also provides a good user experience, you can filter achives and expand / collapse achive folder. It’s more faster after version 3.0.
Features:
<ul>
<li>Expand or collapse the monthly post archive listings.</li>
<li>Support for filtering options on AUTHOR and YEAR.</li>
<li>Caches the recent posts list, make page load faster.</li>
<li>SEO friendly.</li>
</ul>
Supported Languages:
<ul>
<li>US English/en_US (default)</li>
<li>简体中文/zh_CN (translate by <a href="http://www.neoease.com/" rel="nofollow ugc">mg12</a>)</li>
<li>Albanian/sq_AL (translate by <a href="http://www.romeolab.com/" rel="nofollow ugc">Romeo Shuka</a>)</li>
<li>Belorussian/by_BY (translate by Marcis Gasuns)</li>
<li>Czech/cs_CZ (translate by <a href="http://blog.prskavec.net/" rel="nofollow ugc">Ladislav Prskavec</a>)</li>
<li>Dutch/nl_NL (translate by <a href="http://wpwebshop.com/" rel="nofollow ugc">Rene Kleine</a>)</li>
<li>Français/fr_FR (translate by <a href="http://www.li-an.fr/blog/" rel="nofollow ugc">Jean-Michel MEYER</a>)</li>
<li>Hungarian/hu_HU (translate by János Csárdi-Braunstein)</li>
<li>Italian/it_IT (translate by <a href="http://gidibao.net/" rel="nofollow ugc">Gianni Diurno</a>)</li>
<li>Lithuania/lt_LT (translate by <a href="http://mantas.malcius.lt/" rel="nofollow ugc">Mantas Malcius</a>)</li>
<li>Polish/pl_PL (translate by <a href="http://www.diariusz.net/" rel="nofollow ugc">Artur</a>)</li>
<li>Russian/ru_RU (translate by kate)</li>
<li>Spanish/es_ES (translate by David Tejedor)</li>
<li>Türkçe/tr_TR (translate by <a href="http://ramerta.com/" rel="nofollow ugc">Hamdi Ömer Faruk</a>)</li>
</ul>
Demo:
<a href="http://www.neoease.com/archives/" rel="nofollow ugc">http://www.neoease.com/archives/</a>

WP-EasyArchives

Display your archive tree on custom page.

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.

WP-EasyArchives vs Expanding Archives