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Open Source Photo Editing Software

A curated collection of the best open source tools for editing, enhancing, and manipulating digital images with features like filters, color correction, retouching, and creative effects..

Compositor

Free, open-source image editor built for Mac compositing

  • Stars

    Stars growing quickly over the last 30 days17,824

  • Last commit

    3 hours ago

  • License

    MIT
Mac-native Photoshop alternative built around compositing and post-processing workflows, with layers, masks, blend modes, filters, and background removal.

Open Source Alternative to:

Adobe Photoshop

Darktable

Professional RAW photo editing and workflow management

  • Stars

    13,323

  • Last commit

    2 hours ago

  • License

    GPL-3.0
Open source photography workflow application for RAW development. Non-destructive editing, professional color management, and GPU acceleration for photographers.

Open Source Alternative to:

Adobe Lightroom

Krita

Professional digital painting made accessible to everyone

  • Stars

    10,625

  • Last commit

    6 hours ago

  • License

    GPL-3.0
Free and open source painting program built by artists for artists. Features professional brushes, layers, animation tools, and drawing assistants for all skill levels.

Open Source Alternative to:

Adobe Photoshop

GIMP

Professional image editing without the price tag

  • Stars

    6,547

  • Last commit

    1 hour ago

  • License

    Unknown
Free, open-source image editor with professional tools for photo manipulation, digital art creation, and graphic design. Cross-platform support.

Open Source Alternative to:

Adobe Photoshop

RawTherapee

Professional raw photo processing made free and powerful

  • Stars

    4,248

  • Last commit

    4 days ago

  • License

    GPL-3.0
Free, cross-platform raw image processor with 32-bit floating point engine, advanced demosaicing algorithms, and professional-grade editing tools for photographers.

Open Source Alternative to:

Adobe Lightroom

RAWmakase

Lightroom-compatible RAW editor, no subscription

  • Stars

    Stars growing quickly over the last 30 days1,260

  • Last commit

    6 hours ago

  • License

    MIT
Non-destructive RAW photo editor for macOS, Linux, and Windows that reads Lightroom catalogs, presets, and camera profiles. Free, MIT licensed, built in Rust.

Open Source Alternative to:

Adobe Lightroom
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