1 — Gimp, It is a software distributed free of charge for tasks like photo retouching, image composition and image authoring.
2 — Paint.NET is an open source alternative to Photoshop, which started as a replacement for Microsoft Paint, but over the years has become a powerful photo editor
3 — Inkscape, It is used by design professionals and enthusiasts all over the world for creating a wide variety of graphics such as illustrations, icons, logo design, diagrams, maps and web graphics.
4 — PicMonkey starting to edit your photos with PicMonkey is simple and adding textures, shapes and text to your images can be done in few clicks.
5 — Photo Pos Pro, This free Photoshop substitute works simultaneously for both the worlds, i.e. offering user interfaces for both beginners and expert users. The beginner option puts filters to a click plus automatic setting that is very simple to use, while if you are already more advanced, it will look more like Adobe Photoshop
