GIMP stands for GNU Image Manipulation Program which is an opensource image editor program supporting almost every popular image formats. Developed by Free Software Fondation (GNU)
License: Open Source
Pixelmator is known for its user-friendly interface and seamless integration with macOS, making it ideal for casual users and professionals looking for quick edits. In contrast, GIMP is a powerful, open-source alternative suitable for those who need advanced features and customization, though it may require more time to learn.