ab-tools

A simple plug-in that displays flag icons.
This plug-in does not provide a way to translate posts directly, but offen you do not want a direct translation of posts. Still you want to add flag icons that link to other language versions of your blog.
After installation of this plug-in a new widget will be added that you can use to display such flag icons on your blog. A set of flag icons is included, but if you want to use your own images that’s possible, too.
<h4>Additional info, support and developer contact:</h4>
<ul>
<li>English: http://www.ab-weblog.com/en/wordpress-plug-ins/flags-widget/</li>
<li>German: http://www.ab-weblog.com/de/wordpress-plug-ins/flaggen-widget/</li>
</ul>
Please let me know if you find a problem with this plug-in or have questions!
<h4>You can see this plug-in in action on posts of this blog:</h4>
<ul>
<li><a href="http://www.ab-newsonline.com/en/" title="Read Current News Online at AB-NewsOnline.com" rel="nofollow ugc">Read Current News Online at AB-NewsOnline.com</a></li>
</ul>
If you like this plug-in, please <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=donation%40breitschopp.de&item_name=Donation%20for%20Flags%20Widget%20WordPress%20Plug-In&no_shipping=0&no_note=1&tax=0&currency_code=EUR&lc=CA&bn=PP%2dDonationsBF&charset=UTF%2d8" title="Donate With PayPal" rel="nofollow ugc">consider a donation</a> to keep it free. Thank you! 
… and please don’t forget the 5 star rating, if you like this plug-in. 🙂

Flags Widget

A simple plug-in that displays flag icons that link to other language versions of your blog.

sierramike

This plugin allows you to display a widget containing a list of countries with a flag, a country name and misc information. You can choose if you want to display the country names or not.
It can be used to display scores, sport results, registrations, people participating in an event and much more.
You can edit smcfi.css file to adjust width of elements, or override css classes smcfi-name and smcfi-misc.
Flags are 64×64 pixel sized to be ready for retina displays.
It is forked from jimmywb excellent plugin ‘Simple Link List’ and behaves the same.

Country Flags Info Widget

Enables a widget in which you can display a list of country with flags, names and misc information.

Flags Widget vs Country Flags Info Widget