CodeVisionAVR V3.32 Evaluation
Free, 4kbytes code size limited version. Includes also the
Evaluation version of the LCD Vision font and image editor, with
disabled saving of the generated C source code.
CodeVisionAVR V3.32 Commercial
Password protected setup of the commercial version, including
the full LCD Vision font and image editor..
Note: An Advanced license is required to use LCD Vision and
the color TFT graphic libraries.
AVR Studio 4.19.730
Debugger/simulator from Atmel that can be also used with
CodeVisionAVR, besides Atmel Studio
Atmel Studio 6.2.1563
Older version of Atmel Studio, for nostalgic Windows XP and 
Seven users :-)

http://www.hpinfotech.ro/cvavr_download.html