Here are some utilities used to work with emulator. Here are software which is not published on another pages of this web.
Outstanding ATARI cross platform assembler.
Atadim is little application used to import/export files from Atari disks (format ATR or XFD).(http://raster.atari.org)
Atari Disk Image Utility 1.13
This application has functionality comparable to AtaDim. It provides more functions but AtaDim is more simple and user friendly. Main benefit of this SW is that it can work with images which are formated in other DOS than DOS2.0 or DOS2.5.
Application used to convert text files in various formats between Atari and PC.http://raster.atari.org