Debiprasad Sahoo

This is a very simple sidebar widget which places javascript code in the widget. You need to provide only the script (while editing the widget), this widget will place this code inside javascript blocks.
You can also able to add JavaScript codes in text widget in sidebar. So you don’t need this plugin.

JavaScript Block Widget

Widget plugin to run any JavaScript in the sidebar

freshlabs

This plugin integrates the <a href="http://www.simile-widgets.org/timeline/" title="SIMILE Timeline at SIMILE Labs" rel="nofollow ugc">SIMILE Timeline</a> into WordPress and provides an option interface for the various timeline settings. 
Developed by SIMILE Labs, the Timeline is a web widget for visualizing temporal data.
Features:
<ul>
<li>Include individual categories to be displayed in the timeline</li>
<li>Build a lifestream timeline with RSS feeds from your WordPress link archive</li>
<li>Customize colors for timeline bands and categories</li>
<li>Supports multiple instances on different pages by using a template tag</li>
<li>Display individual icons or images with custom fields</li>
<li>Display image attachments from posts in the timeline</li>
<li>Comes with English, German, Italian and Spanish language files</li>
</ul>
Thanks to:
<ul>
<li><a href="http://simile.mit.edu" rel="nofollow ugc">SIMILE Project</a> for providing the Timeline script API and releasing useful, semantic applications.</li>
<li><a href="http://phplens.com/phpeverywhere/adodb_date_library" rel="nofollow ugc">John Lim of PHP Everywhere</a> for creating the ADOdb Date Library, making date formatting with dates before 1970 a charm.</li>
<li>Gianni Diurno for the Italian translations.</li>
<li><a href="http://pc.de" rel="nofollow ugc">Marcis G.</a> for the Belorussian translation</li>
</ul>

WP SIMILE Timeline

Integrates the SIMILE Timeline into WordPress and provides an option interface for the various timeline settings.

JavaScript Block Widget vs WP SIMILE Timeline