Yet another Microsoft Office contender has arrived and this time it’s the big blue who’s setting the scence with their free and open source Office producitivty software suite known as the IBM Lotus Symphony.

Okay, let’s count what we have in the market today
1. Microsoft Office

2. Sun OpenOffice

3. ThinkFree Office

4. Google Docs

and now another potential big player in the market

5. IBM Lotus Symphony (More info here

All 4 but Microsoft Office are free. Do you see what I’m seeing here? Could Microsoft cash cow runs dry one day when others are offering similar for free and open source?