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Inkscape is a vector graphics editor, with capabilities similar to those of Illustrator, CorelDraw, and Xara X. Inkscape supports advanced features for manipulating Scalable Vector Graphics (SVG) files, including markers, clones, and alpha blending, within a streamlined interface. It lets you easily edit nodes, perform complex path operations, trace bitmaps, and much more.
Karbon is a vector-based drawing application for KOffice. It allows artists to create complex drawings without losing image quality when zooming in on, or resizing the drawing. You can use Karbon to add finishing touches to diagrams created using Kivio or charts created using KChart. Graphic design ideas can be quickly and easily transformed into high quality illustrations with Karbon. What makes a vector-based drawing application like Karbon different from a pixel-based drawing application like Krita? In a vector drawing - such as the drawing shown above - your drawing is stored as geometric shapes such as lines and curves. When the drawing is resized, the image scales smoothly. However, in a pixel-based drawing, your drawing is stored as many dots (pixels) in rows and columns. When you resize a pixel-based image, the dots will be enlarged. This can result in jagged edges known as pixelation and aliasing and thus the quality of the image will go down. Pixel-based drawings often have larger file sizes compared to simple vector drawings.
Skencil is an interactive vector drawing application. It is a flexible and powerful tool for illustrations, diagrams, and other purposes. A somewhat unique (for a drawing program) feature of Skencil is that it is implemented almost completely in a very high-level, interpreted language, Python. Python is powerful, object-oriented and yet easy to use.