Free software tools needed to get you started with AVR32 development.

Software Development

Atmel Studio 6: http://www.atmel.com/tools/ATMELSTUDIO.aspx

Philrobotics IDE (Arduino like development) 
http://philrobotics.com/forum/index.php/topic,342.msg2902/topicseen.html#msg2902

Flash Programmer

Atmel Flip: http://www.atmel.com/tools/flip.aspx

Use the command line BatchISP flash programmer ultility to download program.