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. Free Open Source Mac Windows Linux Chrome OS BSD ... PortableApps.com Haiku AmigaOS Layer manipulation Customizable Support for Layers Photo effects ... Batch image manipulation Blur Filter Built-in Color picker Color correction Color to Alpha Editing photos Extensible by Plugins/Extensions High-resolution images Image Masking Keyframe animation Lossless Cropping Retouch photos Portable Open PSD files Scalable Scripting support Symmetry brush Add a feature 3475 Like
Kleki Kleki is a multi-platform web app for painting and editing. It features: 4 different brushes; pressure sensitivity for Wacom tablets; up to 8 layers; numerous filters... Free Web Web-Based Add a feature 2 Like
Saint Paint Studio Saint Paint is the ideal paint package for creating and editing True Colour, 256 colour, 16 colour, and Monochrome graphics, and animating in any mode or combination of... Discontinued No updates since 2008. Commercial Windows No features added Add a feature 2 Like
