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 BSD Snapcraft ... FLATHUB PortableApps.com Haiku AmigaOS

Adobe Photoshop

The standard in professional image editing and compositing for creative design work.

Commercial $ $ $ Mac Windows iPad Wine ReactOS

Paint.NET

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.

Free Personal $ $ $ Windows Windows S .NET Framework

Pixlr

Pixlr® makes it easy to transform everyday images into stunning works of art. Make every moment beautiful with our family of photo editing apps.

Freemium Web Android iPhone

Photoscape

PhotoScape is a fun and easy photo editing software that enables you to fix and enhance photos. Key Features: * Editor: resizing, brightness and color adjustment...

Freemium Mac Windows Windows S

Microsoft Paint

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...

• Discontinued
  Microsoft announced that Paint is officially deprecated with the Windows 10 Fall Creators Update. Anyway last version of the program will still be usable in Windows 10.

Free Windows

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

Adobe Photoshop Express

Edit, share, and upload photos on-the-go, or access your entire online photo library with a finger-flick using Adobe Photoshop Express for iPhone, iPad and Android. ...

Freemium Windows Android iPhone Windows S Android Tablet ... Windows Phone iPad

PhotoFiltre

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...

Freemium Windows PortableApps.com

Apache OpenOffice Draw

Draw, part of the Apache OpenOffice suite, is a graphics editor that gives you the tools to communicate with visuals and diagrams. With a...

Free Open Source Mac Windows Linux