Adobe Photoshop is the de facto standard desktop digital imaging package, used for bitmap photo and image manipulation. It started in 1990 as a Macintosh-only application, and continues to be developed to this day. The latest, ninth version, was released in 2005.

Editions 1990  Adobe Photoshop 1.0           Adobe Photoshop 0.63 (on System 7)           Adobe Photoshop 1.0.7 (on System 7) 1993  Adobe Photoshop 2.0           Adobe Photoshop 2.5 LE (on Windows 3.1) 1995  Adobe Photoshop 3.0           Adobe Photoshop 3.0.4 (on Windows 98) 1996  Adobe Photoshop 4.0           Adobe Photoshop 4.0 (on Windows 98) 1998  Adobe Photoshop 5.0           Adobe Photoshop 5.0 (on Windows 98)           Adobe Photoshop 5.5 (on Windows 98) 2000  Adobe Photoshop 6.0           Adobe Photoshop 6.0 (on Windows 2000) 2002  Adobe Photoshop 7.0           Adobe Photoshop 7.0 (on Windows 2000) 2003  Adobe Photoshop CS           Adobe Photoshop CS (on Windows XP) 2005  Adobe Photoshop CS2           Adobe Photoshop CS2 (on Windows XP)           Adobe Photoshop CS2 (on Mac OS X 10.4 Tiger)

Components About Welcome splash · About box · About box (easter egg) · Help Workspace First run · Empty workspace · Workspace in use · Toolbox · Menus Usage Tools  »  Marquee · Paintbrush · Zoom · Type · Transform · Fill · Stroke · Preset manager Colours  »  Colour picker · Brightness/Contrast · Hue/Saturation · Levels · Histogram Resizing  »  Image size · Canvas size Layers  »  New layer · New adjustment layer · Layer options · Layers palette options Filters  »  Add noise filter · Gaussian blur filter · Grain filter · Photocopy filter Input/Output Images  »  New image · Open image · Save image for Web · File info · Batch Printing  »  Print · Print with preview · Page setup Settings Preferences · Colour settings · Keyboard shortcuts · Show extras options Installation Installation splash · Welcome screen · Personalization · File associations · File copying · Installation complete