Alternatives to Pixelmator for all platforms with Open Source License

GIMP

GIMP is a free program for such photo retouching, image composition and image authoring. Essentially it's the closest thing to Photoshop you can get for free.
- Interface and tools of GIMP do not match the power of those in Pixelmator. Guest • Aug 2018 • 8 agrees and 3 disagrees
Free Open Source Mac Windows Linux BSD Snapcraft ... FLATHUB PortableApps.com Haiku AmigaOS
Customizable Layer manipulation Support for Layers Photo effects ... Ad-free Animation DRM Free Advanced crop and layer management Batch image manipulation Blur Filter Built-in Color picker Color correction Color to Alpha Cross-platform Editing photos Extensible by Plugins/Extensions High-resolution images Image Editing Image Masking Keyframe animation Lossless Cropping Edit photo Retouch photos Portable Open PSD files Scalable Scripting support Symmetry brush Add a feature

3765 Like
MyPaint

MyPaint is a fast, distraction-free, and easy painting tool for digital artists. It supports graphics tablets made by Wacom, and many similar devices.

Free Open Source Mac Windows Linux PortableApps.com
Infinite canvas Color blending Painting Drawing ... Fullscreen support Image Editing Support for Layers Portable Sketching Support for Wacom Tablets Add a feature

316 Like
LazPaint

LazPaint is a free and open image editor, like PaintBrush or Paint.Net, written in Lazarus (Free Pascal). Uses BGRABitmap library. LazPaint has features layers and...

Free Open Source Mac Windows Linux BSD PortableApps.com
Lightweight Reads PDN Format Layer manipulation Pixel accuracy ... Transparent images Painting Support for Layers Portable Add a feature

29 Like
Seashore

Seashore is an open source image editor for Mac OS. It features gradients, textures and anti-aliasing for both text and brush strokes. It supports multiple layers and...

Free Open Source Mac
Real time collaboration Image Editing SVG Editors Add a feature

68 Like
Glimpse Image Editor

Glimpse is an open source image editor based on the GNU Image Manipulation Program. The goal is to experiment with new ideas and expand the use of free software.

Free Open Source Windows Linux
Customizable Image Editing Layer manipulation Edit photo ... Retouch photos Add a feature

17 Like
showFoto

You can use it to view your photographs and improve them. Showfoto is the standalone image editor of the digiKam project.

Free Open Source Mac Windows Linux KDE
Image browser Image Editing Edit photo Add a feature

13 Like
PhoXo

PhoXo is small and free image editing application. It's tiny, fast, easy to use, can be treated as a mini PhotoShop. Its features include layers, undo, over 50...

Free Open Source Windows
Image Editing Edit photo Add a feature

13 Like
Pixelesque

Pixelsque's goal is to be as simple as possible, while still retaining many powerful features. It works like any standard pixel art editor, with a pen, eraser, and...

Free Open Source Android Android Tablet
Image Editing Pixel Art Pixel graphics Add a feature

4 Like
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CinePaint

CinePaint is a deep paint application that edits EXR, DPX, 16-bit TIFF, JPEG, PNG and many other types of image files. CinePaint is available as a native application for...
- Discontinued
  The development is discountinued since 2013-05-06 https://sourceforge.net/p/cinepaint/activity/?page=0&limit=100#599c65d15fcbc926952bcea9
Free Open Source Mac Linux
Image Editing Add a feature

14 Like
Beautify

GIMP Beautify is a set of GIMP plug-ins for quickly and easily beautify photo.

Free Open Source Mac Windows Linux GIMP
Photo effects Image Processing Edit photo Add a feature

1 Like