Draw Pen is a simple screen annotation tool that runs under Linux, macOS, and Windows.
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Category: Graphics
PixiEditor – universal 2D and pixel art editor
PixiEditor is a 2D graphics editor combining pixel art, painting, vectors, node-based effects and frame-by-frame animation.
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Scramble – image metadata removal tool
Scramble inspects and removes image metadata, with selective cleaning, batch processing, before-and-after comparison and separate copies.
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RapidRAW – GPU-accelerated non-destructive RAW photo editor
RapidRAW is a GPU-accelerated RAW photo editor with non-destructive editing, masking, retouching, culling, tethering and batch tools.
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cwal – fast dynamic colour scheme generator
cwal generates dynamic 16-colour schemes from images with templates, custom backends, config injection and desktop reload hooks.
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PTUI – terminal-based image viewer
PTUI is a terminal image browser with live previews, multiple renderers, file operations, slideshows and interoperable XMP star ratings.
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PicPlanner – plan your next photo locations
PicPlanner calculates the position of the sun, moon, and milky way to plan the perfect time to take a picture.
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Color Palette – look up GNOME colors
Color Palette is a tool for viewing the GNOME color palette as defined by the design guidelines.
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Icon Explorer – preview and pick icons
Icon Explorer allows artists and developers to preview and pick icons.
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FeedFlow – minimalistic RSS Reader
FeedFlow is a minimalistic RSS Reader available on Linux, Android, iOS, macOS, and Windows.
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Holloway’s Upscaler – command-line image and video enlargement
Holloway’s Upscaler enlarges images and video with Real-ESRGAN models, FFmpeg integration, format choices and resumable workflows.
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Real-ESRGAN GUI – graphical image enlargement tool
Real-ESRGAN GUI enlarges images and GIFs using Real-ESRGAN or Real-CUGAN, with batch processing, drag and drop, and custom sizing.
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jdPixelUpscaler – enlarge images without smoothing pixels
jdPixelUpscaler enlarges pixel art using colour-preserving pixel replication, with a desktop interface, command-line options and D-Bus.
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Aeternum – minimal Rust image upscaler
Aeternum is a minimal Rust image upscaler using Upscayl-NCNN, with selectable models, output formats, compression and drag-and-drop input.
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tinifier – image compression tool
tinifier is a CLI tool for compressing images using the TinyPNG API, with parallel processing to speed up the workflow.
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Identity – compare images and videos
Identity is a program for comparing multiple versions of an image or video.
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CAD Sketcher – constraint-based modelling for Blender
CAD Sketcher adds constraint-driven sketches, dimensions, 3D geometry, extrusion and non-destructive modelling to Blender.
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Best Free and Open Source Alternatives to Autodesk FBX Review
FBX Review is a lightweight, standalone software tool for viewing 3D assets and baked animations quickly and efficiently.
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InfiniPaint – collaborative infinite canvas
InfiniPaint combines an infinite drawing canvas with real-time collaboration, layers, rich text, image imports, SVG exports and bookmarks.
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Best Free and Open Source Alternatives to Autodesk Fusion
Autodesk Fusion is a CAD, CAM, and PCB design software. We recommend the best free and open source alternatives.
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