The operating systems on which the editors can run natively (without emulation), meaning which operating systems have which editors specifically coded for them (not, for example, Adobe Photoshop for Windows running on Linux with Wine). Note 1: Deluxe Paint only runs on AmigaOS, Atari ST and MS-DOS. Note 2: GIMP also supports SkyOS. Note 3: Pixel image editor also supports OS/2, MorphOS, BeOS, and QNX.