Gimp online ( http://www.offidocs.com/index.php/desktop-online-images-graphics-apps/gimp-online-images-editor-paint-tool) from OffiDocs. Gimp, which is a freely distributed program for tasks as photo retouching, image composition and image authoring. It can be used as a simple paint program, image editor, an expert quality photo retouching program, an image renderer, or an image format converter. to create or edit vector graphics such as illustrations, diagrams, line arts, charts, logos and complex paintings. Gimp main features: - Suite of painting tools including Brush, Pencil, Airbrush, Clone, etc. - Image editor. - Sub-pixel sampling for all paint tools for high quality anti-aliasing. - Extremely powerful gradient editor and blend tool. - Supports custom brushes and patterns. - Full alpha channel support. - Layers and channels. - Multiple Undo/Redo. - Editable text layers. - Transformation tools including rotate, scale, shear and flip.