Krita

Professional-grade Features for Free: Offers high-quality digital painting tools rivaling premium software, at no cost.

Open Source and Community-Driven: Continuously improved by a dedicated community.

Brush Engine: Highly praised for its extensive brush customization and variety.

Cross-Platform Compatibility: Works on Windows, macOS, and Linux, making it widely accessible.

Performance Issues: Occasional lag or crashes when handling large projects.

Beginners may find the interface complex due to numerous features.