Apps similar to PaintTool SAI include Krita, which is free and open source. Other options are Adobe Photoshop, Affinity, Photopea and MyPaint. You're spoiled for choice with Digital Painting Tools like PaintTool SAI: we list more than 100 alternatives for Windows, Mac, iPad, Linux and the web.
Clover Paint is a feature rich painting app with deep complexity. With Clover Paint, you are bringing a sketchbook with customizable canvas size, highly sophisticated brush and layer system, plus custom hotkeys and shortcuts for productivity.
United States
Umoupen is a fully featured drawing and animation app for artists who want it all, sketching, frame-by-frame animation, storyboarding, comic/notebook features, endless raster and vector canvases, extensive import (most image types, MP4, SVG, FLA) and export (PNG, GIF, MP4)...
Paint Studio is a product born from TwistedBrush Pro Studio but with a focus on natural media painting and drawing with a simpler, streamlined interface.
United States
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.
An image and stencil editor for artists. Work with layers, remove backgrounds, use a gallery, pressure-sensitive drawing, customize colors/effects, and edit offline for full creative control.
Turn photos into beautiful paintings, sketches or drawings in seconds, automatically, locally and for free.
France
EU
Pastela is a drawing app designed around the motto: "Draw out your creativity for the world."
Japan
NPainter is a free fast and simple painting software created from scratch. the most important goal is provide a powerful and lightweight tool for beginner and amateur art artists as well semi-professional artists.
We believe artists deserve the best possible tools and we are determined to give it to them. The goal with Leonardo is to make the best painting application ever.
SwedenEU
Linea is an elegantly simple sketchbook for Apple devices optimized for use with Apple Pencil. It opts for a minimal interface with only the essential options, rather than overkill like many other apps.
United States
Sketches is a perfect mix of beauty, simplicity and power, a truly unique combination you won't find anywhere else.
FranceEU
Seashore is an open source image editor for Mac OS. It features gradients, textures and anti-aliasing for both text and brush strokes. It supports multiple layers and alpha channel editing. It is based around the GIMPs technology and uses the same native file format.
