Cycles is an physically based production renderer developed by the Blender project. This is free and open source software.
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Category: Graphics
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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Image Optimizer – simple lossless image optimizer
Image Optimizer is a simple program that provides lossless compression.
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Trimage – cross-platform tool for losslessly optimizing PNG and JPG files
Trimage is an open source cross-platform graphical user interface and command-line interface to optimize image files via optipng, advpng, pngcrush.
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Curtail – compress your images
Curtail (previously ImCompressor) is an image compressor, supporting PNG, JPEG and WEBP file types.
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MB-Lab – Blender addon that creates humanoid characters
MB-Lab is a character creation tool for Blender 2.80, based on ManuelBastioniLAB. Free and open source software. Written in Python.
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Slate – pixel art editor
Slate was built for pixel art. It aims to simplify the creation of sprites and tilesets by offering a user-friendly, customisable interface.
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rx – modern and minimalist pixel editor
rx is a modern and minimalist pixel editor. This is free and open source software written in the Rust programming language.
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mtPaint – painting program to create pixel art and manipulate digital photos
mtPaint is a simple GTK+1/2/3 painting program designed for creating icons and pixel based artwork.
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PikoPixel – draw and edit pixel art images
PikoPixel is software for drawing and editing pixel art images. It runs under Linux using the GNUstep framework.
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Piskel – animated sprites and pixel art
Piskel is an easy-to-use sprite editor. It can be used to create game sprites, animations, pixel-art, and more.
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csprite – tiny pixel art tool
csprite is a tiny pixel art tool written in C++ and C. It’s a fork of Sixel.
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Pixelorama – pixel art editor
Pixelorama is a pixel art editor. It is created with the Godot Engine. This is free and open source software.
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Radiance – validated lighting simulation tool
Radiance is a suite of tools for performing lighting simulation. The Radiance suite includes over 50 tools, including software to manipulate scene data.
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tev – high dynamic range image comparison tool
tev is an open source high dynamic range (HDR) image comparison tool for graphics people.
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