After Twitter, it could be Google Wave, the next big surprise of the year as it is boasted of communication tool integrating e-mail, IM and project management. After a number of benefits and features involved into it, above all, it is open source which can be mixed up with extensions and applications.

One of the interesting extensions for Google Wave is Twave, a Twitter (Twitter Reviews) extensions for Google Wave.   This mix up of Google Wave and Twitter is a welcome step as both as the communication tools.  Twave is an extension for Google Wave Robot that is participant in a Google Wave conversation. The Google robot named “Tweety” brings good number of Twitter feed within Google Wave. Here on Google Wave would you not able to visualize tweets but also manage them like e-mail.

Some other important extensions for Google Wave are as following:

Debuggy: Is a robot which reports about debugging information about each event on a wave

Stocky: This robot is to provide update of stock market.

Bloggy: Publishes wave content to a blog

Maps: Allows for collaboration on a Google map to plan events

Bidder: Allows a Wave to set a merchant account for you.

Ratings: It allows Wave participants to perform ratings.

These are only extensions for Google Wave; there would be a complete array of applications in coming time.