AVR Studio« 4 is the new
professional Integrated Development Environment (IDE) for writing
and debugging AVR« applications in Windows 9x/NT/2000 environments.
AVR Studio 4 includes an assembler and a simulator. The following
AVR development tools are also supported: ICE50, ICE40, JTAGICE,
ICE200, STK500/501/502 and AVRISP. AVR Studio 4 will in the months
to come be upgraded to support more tools and devices. Check this
web site regularly for updates.