GraphicsMagick is billed as the Swiss army knife of image processing.
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Category: Graphics
Netpbm – toolkit for manipulation of graphic images
Netpbm is a toolkit for manipulation of graphic images, including conversion of images between a variety of different formats.
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GEGL – Generic Graphics Library
GEGL is a data flow based image processing framework, providing floating point processing and non-destructive image processing capabilities.
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Nautilus Flickr Uploader – simple GUI to upload pics to Flickr
Nautilus Flickr Uploader is a simple, open source graphical user interface to upload pictures to the Flickr service from the Nautilus file browser.
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potrace – transforming bitmaps into vector graphics
potrace is an open source utility for tracing a bitmap, which means, transforming a bitmap into a smooth, scalable image.
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CropGUI – gtk frontend for lossless cropping of jpeg images
CropGUI is an open source graphical user interface for jpegtran, a command-line tool that performs various useful transformations of JPEG files.
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Best Free and Open Source Alternatives to Apple Digital Color Meter
Digital Color Meter lets you find the color value of a color on your screen. We recommend the best free and open source alternatives.
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QOI – The Quite OK Image Format
QOI is an image encoder which claims to be fast 20-50 times compressing and 3-4 times faster decompressing compared to the Libpng library.
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icat – display images in the terminal
icat is software that lets you display images in the terminal. This cat like utility can specify multiple image files and/or directories.
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Aqsis Renderer – 3D rendering solution
Aqsis is a high quality, free and open source 3D rendering solution adhering to the RenderMan standard.
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Renderer – interactive 3D visualization of triangle meshes
Renderer is a command-line, open source application which allows interactive 3D visualization of triangle meshes.
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LuxCoreRender – rendering system
LuxCoreRender is an open source software rendering system for physically correct image synthesis. Based on state of the art algorithms.
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Mitsuba – research-oriented rendering system
Mitsuba is an extensible rendering framework written in portable C++. It implements unbiased as well as biased techniques.
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Cycles – physically based production renderer
Cycles is an physically based production renderer developed by the Blender project. This is free and open source software.
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appleseed – physically-based global illumination rendering engine
appleseed is a modern, open source, physically-based renderer developed by the VFX and Jupiter Jazz. Ultimately targeted at production rendering.
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Crunch – lossy PNG image file optimization
Crunch is a command line executable that performs lossy optimization of one or more PNG image files with pngquant and zopflipng.
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GTKRawGallery – workflow oriented photo retouching software
GTKRawGallery is an open source workflow oriented photo retouching software with all necessary tools to quickly process camera raw images.
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Filmulator – raw photo editing application with library management
Filmulator is a simple raw photo editor based on the process of developing film. This is free and open source software.
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LightZone – open source digital darkroom software
LightZone is professional-level digital darkroom software. Originally proprietary software, the software is now open source.
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Photivo – photo processor
Photivo is a multi platform open source photo processor for RAW and bitmap images with 16 bit precision. It’s free and open source software.
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