GIMP
This is the official website of the GNU Image Manipulation Program (GIMP). GIMP is a cross-platform image editor available for GNU/Linux, OS X, Windows and more operating systems. It is free software, you can change its source code and distribute your changes. Whether you are a graphic designer, photographer, illustrator, or scientist, GIMP provides you with sophisticated tools to get your job done. You can further enhance your productivity with GIMP thanks to many customization options and 3rd party plugins. GIMP provides the tools needed for high quality image manipulation. From retouching to restoring to creative composites, the only limit is your imagination. GIMP is used for producing icons, graphical design elements, and art for user interface components and mockups. GIMP is a high quality framework for scripted image manipulation, with multi-language support such as C, C++, Perl, Python, Scheme, and more!
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Paint.NET
Paint.NET is image and photo editing software for PCs that run Windows. It features an intuitive and innovative user interface with support for layers, unlimited undo, special effects, and a wide variety of useful and powerful tools. An active and growing online community provides friendly help, tutorials, and plugins. It started development as an undergraduate college senior design project mentored by Microsoft, and is now maintained and developed by Rick Brewster. Originally intended as a free replacement for the Microsoft Paint software that comes with Windows, it has grown into a powerful yet simple image and photo editor tool. It has been compared to other digital photo editing software packages such as Adobe® Photoshop®, Corel® Paint Shop Pro®, Microsoft Photo Editor, and The GIMP. Paint.NET delivers a cost-effective alternative to pricey commercial software.
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Sumopixel
Online editor for pixel art and GIF animations. Create your own brushes, use the symmetry tool for amazing pixel art, and share with the world. Select your grid size and start creating. Draw with our pastel palette or select any color from the color tool. Use our symmetry tool for symmetric masterpieces with various options. Create animations and export them in GIF format. Upload your pic and make it laugh. Share it with the community or your friends. Import images from your computer and pixelate them to pixel art. Combine images or chain them as an animation. Art doesn't need to be realistic. Just draw some pixels with your artistic mind and share your masterpiece with others. Use it in a web browser or as a desktop app. Any device works computer, tablet, or mobile device. It doesn't matter which operating system or browser you have. No plugins are needed! Import images from your device and save them back to your device or upload them to the cloud.
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Adobe Photoshop
The world’s best imaging and graphic design software is at the core of just about every creative project, from photo editing and compositing to digital painting, animation, and graphic design. And now you can harness the power of Photoshop across desktop and iPad to create wherever inspiration strikes. Our professional photography tools make it easy to do everyday edits or total image transformations across desktop and iPad. Crop, remove objects, retouch, and combine photos. Play with color and effects. And reimagine the art of photography. Posters, packaging, banners, websites — all your design projects start with Photoshop. Combine photos and text to create entirely new images. Work with unlimited layers and masks. Photoshop is now available on the web. Adobe extends Photoshop to the web for sharing, reviewing, and light editing of Photoshop cloud documents (.psdc). Collaborators can open and view your work in the browser, provide feedback, and make basic edits without downloading.
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