Tilt Brush - Paint in spaces around you with Virtual Reality
JugiPaint - JugiPaint is a painting software with diverse tools for various types of illustration work.
GANpaint - Use AI to add, delete, and edit objects
miniPaint - Online graphics editing tool use HTML5 technologies like Canvas, Offline support, Drag and Drop.
Snap Art - Snap's augmented reality platform
RealWorld Paint - RealWorld Paint is an free portable image/photo/animation editor.