CinePaint is a deep paint image retouching tool that supports higher color fidelity than ordinary painting tools. CinePaint opens high fidelity image file formats such as DPX, 16-bit TIFF, and OpenEXR, and conventional formats like JPEG and PNG.
Film Gimp is a motion picture editing tool primarily used for painting and retouching of movies.
darknocK detects edges in images. It is using Artificial Neural Networks to enchance the results of standard algorithms.
KOffice is a free and comprehensive office suite integrating perfectly into KDE.