ATSTK600-RC044X-15

Based on the versatile ATmega328, the Metro Mini packs 32KB Flash, 2KB RAM, a clock speed 16Mhz and the Optiboot bootloader. The slick black and gold unit includes 20 GPIO pins. Adafruit 2488 

The Pololu A-Star 32U4 Prime is a general-purpose programmable board based on Atmel’s ATmega32U4 AVR microcontroller and arranged in the common Arduino form factor exemplified by the Uno R3 and Leonardo. Pololu 3107

Atmel starter kit with ATmega168 microcontroller and debugger (JTAG / USB) co-operating with Atmel Studio from 6.2.

Evaluation Board for dipAVR Mini-module

The Pololu A-Star 32U4 Prime is a general-purpose programmable board based on Atmel’s ATmega32U4 AVR microcontroller and arranged in the common Arduino form factor exemplified by the Uno R3 and Leonardo. Pololu 3114

A-Star 32U4 Prime SV - a programmable Arduino board, based on the Atmel ATmega32U4 microcontroller from the AVR family. Version with soldered connectors, without micro-SD card slot, without display. Polol 3113

Xplained MCU board for ATxmega256A3BU, Atmel

(DFR0216) DFRduino UNO R3

DFRobot (DFR0221)

The A-Star 32U4 Prime SV is a programmable board based on Atmel’s ATmega32U4 microcontroller and arranged in the common Arduino form factor. The A-Star Prime offers many additional features and improvements over competing products. Pololu 3115

Xplained Evaluation board for Atmel ATmega1284P, Atmel, RoHS