I found a very good live chat widgets provider. They have a free plan also. It can be customized to your language. It connects to GTalk and now also to your Skype.
I already customized it and have it used on some sites. Here’s the widget customized to Hebrew RTL language, and to Russian.
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I am searching for this type of widget and thanks for this widget and i will use this in my website.
You can use Zopim and customize it however you want using the Zopim configurator:
http://modernminds.nl/zopim-configuration-customize-api/