Download of AVRFLASH 2.12 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free software was originally produced by MikroElektronika. We recommend checking the downloaded files with any free antivirus.
The latest version of the program can be installed on PCs running Windows XP/Vista/7/8/10/11, 32-bit. The most popular version of the program is 2.1. The common filenames for the program's installer are AVRFLASH.exe or AVRFlash21.exe etc. The program lies within System Utilities, more precisely Device Assistants.
From the developer:
AVRFLASH represents an irreplaceable tool for all those working with avr microcontrollers. By means of this programmer, it is possible to program almost any AVR microcontroller, including those embedded(soldered) in printed circuit board. The AVRFLASH programmer is connected to the microcontroller via six lines.
You may want to check out more software, such as BitPim, MAGIX ringtone maker or go1984, which might be similar to AVRFLASH.