GIMP is a free open source image editing and photo manipulation program. It is considered as the best alternative to Photoshop. It offers great features like Layers, Selection editing, HDR, Re-touching, Noise removal, Lens and Color correction, Sharpening, Plugin support, etc.
GIMP runs on all major operating system like Microsoft Windows 10, 8, 7, Vista,XP, Mac OS X, Linux, BSD, Unix, and. SkyOS
It supported file formats such as RAW formats, BMP, GIF, JPEG, PNG, TIFF, PSD, etc.
GIMP stands for GNU Image Manipulation Program.
Pros of GIMP
- Easily expandable
- Packed with features and tools
- Opens almost any image file
- Ease of use for beginners
- Single-Window Mode
Cons
- Interface is a little cluttered
The Windows installer contains both 32-bit and 64-bit versions of GIMP Photoshop Alternative