Leonardo has been discontinued. Similar apps include GIMP, which is free and open source. Other options are Krita, Adobe Photoshop, Paint.NET and Affinity. There's no shortage of Digital Painting Tools like Leonardo, with more than 100 alternatives for Windows, Mac, iPad, iPhone and Android.
PictBear is an image editor and paint program that is very friendly toward the beginning user, PictBear is very straightforward and easy to use no matter what your skill level is.
United States
scri.ch is a hackable, open source and minimal drawing tool. Learn more about tips and hacks on http://about.scri.ch/
"SpeedyPainter" is a simple and lightweight painting software. It is written in C++ and uses the OpenGL graphics library.
Italy
EU
PaintStar is a versatile digital image processing software suitable for such tasks as retouching of photographs, composing and authoring images, image morphing, screen capture, and displaying image thumbnail in Windows Explorer context menu.
China
PhotoKit.com is integrated with a powerful online photo editor, smart brush, image quality enhancement, exposure repairment and image filters, splicing, cropping, transformation, painting, resizing, and can add text, shape, sticker, frame, round corners, etc.
ChibiPaint is an open source oekaki applet, a software that allows people to draw and paint online and share the result with other art enthusiasts.
Because beautiful tools make beautiful drawings, we endlessly refined Sketches brushes to create the most realistic drawing tools.
Zen Brush is an app that allows you to easily enjoy the feeling of using an ink brush to write or to paint. It allows anyone to easily perform fluent strokes while not compromising on the fascinating texture of a real ink brush.
Japan
Livebrush is a drawing application. It employs an easy-to-use brush tool that reacts to your gestures through the use of velocity and other motion controls. By combining simple motion controls with customizable brush styles, Livebrush offers a fun and unique way to create...
United States
Project Dogwaffle lets you be creative without the fear of messing up your clothes. No sudden spills, no funny fumes. You can paint, erase it, and try again, and again, and again......
SmoothDraw is an easy natural painting and digital free-hand drawing software that can produce high quality pictures. Support many kinds of brushes (pen, pencil, dry media, airbrush, bristle brush, image hose, etc.), retouch tools, layers, image adjustment, and many effects...
China
