With version 4.0, the product will include source code for almost the entire .NET Micro Framework and all fees have been removed from the use of the product. The license will allow for broad use of the source code but in addition, the .NET Micro Framework team is creating an interactive community development model that will allow broad collaboration between the users of the software and Microsoft in continuing to develop a great solution for small embedded devices.
Learn more about this community at the dedicated community site.