Krita

Krita is a powerful and versatile digital painting application designed for artists of all skill levels. As a free and open-source program, Krita is developed by artists for artists, providing a comprehensive suite of tools and features suitable for both novice and experienced users.
Among its notable functionalities are over 100 professionally crafted brush presets, customizable brush engines, and brush stabilizers that enhance drawing precision. Krita's interface is intuitive and can be tailored to fit individual workflows, featuring more than 30 dockers for easy access to tools and options.
Krita supports a variety of graphic formats, including PSD and HDR, and offers robust color management features. It also includes full support for vector graphics and has a wrap-around mode for creating seamless textures.
In addition to painting, Krita provides support for 2D animation. Users can create animations with multiple layers, integrate audio, and utilize a range of drawing assistants for enhanced productivity. The software is GPU accelerated, ensuring optimal performance even with complex projects.
Krita is licensed under the GNU General Public License (GPL), allowing users to freely download and use the software for any purpose, including commercial projects. Users retain ownership of their artwork and can share or modify the source code, provided that modifications are also shared under the same license.
For artists looking for a supportive community, Krita hosts an active user forum where artists can share their work, ask questions, and provide feedback. The program regularly receives updates and improvements, addressing bugs and enhancing existing features.