KDE
Free · Open
A cross-platform digital photo management tool for importing, organizing, and editing images, supporting various file formats and metadata handling
Image Editor·Photo Manager
Desktop
AlertCaution is advised.

Free · Open
A cross-platform, open-source video editing program developed by the KDE community, supporting multiple audio and video tracks, and various formats
Video Editor
Desktop
AlertCaution is advised.

Free · Open
Digital painting and illustration software, offering a wide range of brushes, customizable settings, and support for animation
Digital Painting·Image Editor·Raster Graphics Editor·2D Animation
Desktop
AlertCaution is advised.