A free graphics editing program with a range of tools for image optimization, photo editing, retouching, and more, similar to Photoshop but open source and cross-platform.
Metapho is an open source, cross-platform raster graphics editor for image creation, optimization, and editing. It has a wide range of features similar to Adobe Photoshop but is developed as free software under the GNU General Public License.
Some key features include support for layers and masks, a wide range of brush types, effects, transformation tools, vector capabilities, RAW image support, integrations with content-aware algorithms, and more. It works with many common image formats like JPEG, PNG, TIFF and supports high bit depths and color space management.
Metapho runs on Linux, Windows, and macOS. It has a multitude of tools for image manipulation, painting, retouching, text effects, asset creation, vector drawing and page layout. It allows for non-destructive editing through adjustment layers and masking. There is also a powerful scripting interface for automation.
The user interface is highly customizable to suit many different workflows. It has a database-driven, extensible format and aims to provide a free professional-level alternative to comparable commercial tools. There is an active community behind ongoing development and improvements.
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