IndyPaint

IndyPaint (also spelled Indy-Paint) is a paint program for Atari Falcon computers. It has a native .TRU raster graphics format.

Identification
TRU files begin with ASCII "".

Software

 * Konvertor
 * RECOIL
 * IndyPaint

Sample files

 * funcmain.zip → JULIA.TRU
 * https://telparia.com/fileFormatSamples/image/tru/