YALC - Yet Another Live Chat module was designed as an alternative to Magento Live Chat module. This module will help you integrate your Magento store with Google Talk. YALC - will allow you to use Google Talk service to support your customers. The main advantages of the module Luxe YALC module is:
1. Reliability. Server, even at the most reliable hosting services less reliable than Google.
2. Speed. Since the entire load on the transmission of messages rests with the Google Talk service is the work of IM does not affect the speed and load on your server.
3. Privacy. Communication takes place completely anonymously, ie, your client can not even your Google Account.
4. You can chat simultaneously with an unlimited number of users.
5. Increased number of users does not affect the speed of chat.
6. Free of charge. All you need - register Google Account for your support service.
7. You do not have to constantly keep running a third-party chat client. You can use for chat your favorite IM
8. All chat history is stored in Google Account, so you can always revert to it if you have forgotten. Google search helps you quickly find the needle message.

More detail description and user installation guide located in my blog

The YALC - Yet Another Live Chat module has been updated. Now its compatible with the latest Magento version.