GIMP – The GNU Image Manipulation Program: http://www.gimp.org
Inkscape – Vector drawing program: http://www.inkscape.org
GizmoWinDraw 1 – Vector graphics program for technical applications :
http://jmbuzzi.free.fr/
https://mandelbulber.com/ – 3D fractal renderer and animator
https://www.mandelbulb.com/ – Mandelbulb.com is an educational and informational site about the Mandelbulb in specific and 3D fractals in general. On this site, we feature information about the mathematical nature of fractals, the discovery of the Mandelbulb, and software used to render 3D fractal objects. We also feature a selection of our favorite 3D fractal artists and posts news about topics of interest to the 3D fractal community.
https://en.wikipedia.org/wiki/Ulead_Systems
Ulead Systems
https://www.coreldraw.com
Graphic Design, Illustration and Technical Software | CorelDRAW
Embark on a design journey with pro tools for vector illustration, layout, photo editing, typography and collaboration.