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.
Krita is a professional Free and open source (FOSS) painting program. It is made by artists that want to see affordable art tools for everyone within concept art, texture and matte painters, illustrations and comics.
Adobe Photoshop is a raster graphics editor developed and published by Adobe Inc. for Windows and macOS. It was originally created in 1988 by Thomas and John Knoll. Since then, the software has become the industry standard not only in raster graphics editing, but in digital art...
Paint.net is a free and very capable image editing software for Windows. Great alternative to Photoshop for people that do not need all the stuff PS offers.
PhotoScape is a fun and easy photo editing software that enables you to fix and enhance photos.
Paint (formerly Paintbrush) is a simple, ultra-basic graphics painting program that is included with almost all versions of Microsoft Windows. It opens and saves files as Windows bitmap (24-bit, 256 color, 16 color, and monochrome, all with the .
Adobe Fireworks is a bitmap and vector graphics editor. Rapidly prototype websites and application interfaces with Adobe Fireworks CS4 software. Create and optimize images for the web more quickly and accurately than ever before with an enhanced toolset.Discontinued
As described at http://blogs.adobe.com/fireworks/2013/05/the-future-of-adobe-fireworks.html , development of Fireworks has been stopped, but last version, Adobe Fireworks CS6 (v12), released in 2012, is still available as part of the Adobe Creative Cloud
PhotoFiltre 7 is a complete image retouching program. It allows you to do simple or advanced adjustments to an image and apply a vast range of filters on it. It is simple and intuitive to use, and has an easy learning curve.
Enter a world of infinite creativity with the comprehensive photo-editing and graphic design power of PaintShop Pro X8. Accelerate your photo editing with enhanced layers, more precise selection tools, faster brushes and extensive productivity-boosting improvements.
Sumo Paint is a powerful image editor with a long-standing history as a fully capable Photoshop clone in the browser. Being designed for the browser, it's accessible on practically any system and loads much faster than most comparable desktop tools while still providing core...This app doesn't have any features at the moment.