GIMP is a cross-platform image editor for GNU/Linux, macOS, Windows, and more operating systems. It serves as a simple paint program, expert quality photo retouching program, tool to create digital art, online batch processing system, mass production image renderer, and image format converter. The program provides a full suite of painting tools including brushes, pencil, airbrush, and cloning. It supports layers, channels, full alpha channel for transparency, tile-based memory management limited only by disk space, sub-pixel sampling for anti-aliasing, multiple undo/redo, transformation tools, and a wide range of file formats. Extensibility comes through scripting in languages such as Script-Fu, Python, Perl, and integration with third-party plugins.
Free and open-source with modifiable source code
Cross-platform availability on multiple operating systems
High customization through community scripts and plugins
Handles large images limited only by disk space
Steep learning curve due to non-standard interface
Lacks some advanced features found in commercial alternatives
Performance issues with very large files
Plugin ecosystem less polished than proprietary software
Pricing yet to be updated!
Clients yet to be updated!