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SelfHTML is a very extensive and very popular HTML reference, touching CSS and JavaScript in many places. Filled with lots of tricks, examples and howto-style guides, it's a valuable documentation to have - if you speak german.

TIPP10 is a free 10 finger touch typing trainer, published under the GPL. The highlight: TIPP10 works intelligent. The dictation reacts on individual errors of the user. Keys, which are wrongly typed often, will be dictated more often. Visual help, various keyboard layouts, numerous settings and the possibility to create own exercise dictates are easing the learning process. Main features: - Intelligent exercise lessons - Free and own lessons - Scrolling text and virtual keyboard for help - Extensive customization - Performance appraisal - Support of alternate keyboard layouts - Multi platform

This module provides the SKR03 chart of account which is used in Germany.

The GIMP is designed to provide an intuitive graphical interface to a variety of image editing operations. Here is a list of the GIMP's major features: Image editing ------------- * Selection tools including rectangle, ellipse, free, fuzzy, bezier and intelligent. * Transformation tools including rotate, scale, shear and flip. * Painting tools including bucket, brush, airbrush, clone, convolve, blend and text. * Effects filters (such as blur, edge detect). * Channel & color operations (such as add, composite, decompose). * Plug-ins which allow for the easy addition of new file formats and new effect filters. * Multiple undo/redo. This is "The Gimp" meta-port, see ports/graphics/gimp-app for more details

This Qt 4 based program allows to browse directory tree, preview and select images. The list of selected images is stored in a file which can be used for further batch processing.

This port contains the programming reference for graphics/cairo.

Cairo is a vector graphics library with cross-device output support. Currently supported output targets include the X Window System and in-memory image buffers. PostScript and PDF file output is planned. Cairo is designed to produce identical output on all output media while taking advantage of display hardware acceleration when available (eg. through the X Render Extension). Cairo provides a stateful user-level API with capabilities similar to the PDF 1.4 imaging model. Cairo provides operations including stroking and filling Bezier cubic splines, transforming and compositing translucent images, and antialiased text rendering.

Context Free Design Grammar compiler. About CFDG: Chris Coyne created a small language for design grammars called CFDG. These grammars are sets of non-deterministic rules to produce images. The images are surprisingly beautiful, often from very simple grammars. Context Free is a full graphical environment for editing, rendering, and exploring CFDG design grammars. Features: * Simultaneously available for Macintosh, Windows and Posix/Unix. * Progressive image update: watch it generate * Save generated images in PNG or SVG format. * Produce animations * Edit grammars and re-render easily. * Render very large images (as large as 100 Mega-pixels). * Can handle generated images with millions of shapes. * Carefully tuned graphics rendering * Many built-in examples * Automatic checking for updates (Mac only). * It's free, as in beer and as in speech.

CinePaint is a free open source painting and image retouching program designed to work best with 35mm film and other high resolution high dynamic range images. It is the most popular open source tool in the motion picture industry -- used in 2 Fast 2 Furious, Scooby-Doo, Harry Potter, Stuart Little and other feature films. CinePaint is used for painting of background mattes and for frame-by-frame retouching of movies.

OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning software library. OpenCV was built to provide a common infrastructure for computer vision applications and to accelerate the use of machine perception in the commercial products. Being a BSD-licensed product, OpenCV makes it easy for businesses to utilize and modify the code. The library has more than 2500 optimized algorithms, which includes a comprehensive set of both classic and state-of-the-art computer vision and machine learning algorithms. These algorithms can be used to detect and recognize faces, identify objects, classify human actions in videos, track camera movements, track moving objects, extract 3D models of objects, produce 3D point clouds from stereo cameras, stitch images together to produce a high resolution image of an entire scene, find similar images from an image database, remove red eyes from images taken using flash, follow eye movements, recognize scenery and establish markers to overlay it with augmented reality, etc.