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GRASS GIS is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.
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Advanced image recognition technology wrapped in powerful API.
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ZipPNG - Free Real-Time Image Optimization & Manipulation.
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IGiS Desktop provides advanced GIS software for GIS mapping and image processing by using innovative ways of analyzing, visualizing, and processing geographic data.
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Simple Java image-scaling library implementing Chris Campbell's incremental scaling algorithm as well as Java2D's "best-practices" image-scaling techniques. - GitHub - rkalla/imgs...
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Javascript cropping engine.