跨平台的照片修飾軟件 - GIMP

這是一套功能強大而且免費的跨平台圖片制作軟件，可以當作為一般的畫圖軟件,亦提供專家級的照片修飾功能，在線批量處理系統，渲染大量照片，圖像格式轉換等等...
而且GIMP可以安裝plug-ins和extensions，使你無論處理由最簡單的到最複雜的任務也可以亦方便快捷。對plug-ins和extensions的支援亦令GIMP更具擴展性，功能無限擴大。

官方網頁提供的功能簡介:

• Painting
  • Full suite of painting tools including Brush, Pencil, Airbrush, Clone, etc.
  • Sub-pixel sampling for all paint tools for high quality anti-aliasing
  • Extremely powerful gradient editor and blend tool
  • Supports custom brushes and patterns
• System
  • Tile based memory management so image size is limited only by available disk space
  • Virtually unlimited number of images open at one time
• Advanced Manipulation
  • Full alpha channel support
  • Layers and channels
  • Multiple Undo/Redo (limited only by diskspace)
  • Editable text layers
  • Transformation tools including rotate, scale, shear and flip
  • Selection tools including rectangle, rounded rectangle, ellipse, free, fuzzy
  • Foreground extraction tool
  • Advanced path tool doing bezier and polygonal selections.
  • Transformable paths, transformable selections.
  • Quickmask to paint a selection.
• Extensible
  • A Procedural Database for calling internal GIMP functions from external programs as in Script-fu
  • Advanced scripting capabilities (Scheme, Python, Perl)
  • Plug-ins which allow for the easy addition of new file formats and new effect filters
  • Over 100 plug-ins already available
• Animation
  • Load and save animations in a convenient frame-as-layer format
  • MNG support
  • Frame Navigator (in GAP, the GIMP Animation Package)
  • Onion Skin (in GAP, the GIMP Animation Package)
  • Bluebox (in GAP, the GIMP Animation Package)
• File Handling
  • File formats supported include bmp, gif, jpeg, mng, pcx, pdf, png, ps, psd, svg, tiff, tga, xpm, and many others
  • Load, display, convert, save to many file formats
  • SVG path import/export

軟件截圖: