Apps similar to Microsoft Paint include Krita, which is free and open source. Other options are Paint.NET, Photopea, Pinta and MyPaint. Image Editors like Microsoft Paint are a crowded field, with more than 100 alternatives for Windows, Mac, Linux, the web and Android.
IsoPaint is a quick, simple & fun isometric drawing app. It's designed to make isometric drawing easy for everyone, with no complicated layers, menus, filters or excessive tapping like similar apps.
United Kingdom
CinePaint is a deep paint application that edits EXR, DPX, 16-bit TIFF, JPEG, PNG and many other types of image files. CinePaint is available as a native application for Linux, Mac OS X, and BSD.
PhotoStyler is the easiest way to style your digital photos with your Mac. This simple, fast and accurate native solution combines the powers of Apple’s core technologies with the flexibility and efficiency of proprietary application-specific modules.
Offers image and photo editing tools with support for painting, layers, photo effect filters, custom brushes, and natural media. Allows image import from TWAIN devices, creation of photo albums, animations, slide shows, 3D shapes, web art, and screen savers.
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......
Pycker is a Python color picker made with Tkinter. It's Open-Source, and free! Get your HEX and RGB! It has a simple interface and includes your "Basic colors", your "Custom colors", and a little palette! Pycker replaces Rundom, the old Pycker.
Fotowall is an opensource creative tool that lets you play with your pixels as you've ever wanted! Make the perfect arrangement with your photos, add text, live video from your webcam and the best internet pictures.
VCW VicMan's Photo Editor is a versatile image editor with an intuitive interface and a wide variety of features. This powerful application is user friendly, offering simple image editing, high productivity and easy customization.
Russia
Kid, if you have a dream to paint the best picture in the whole world, this is the place to start practicing (at least one of the places :)).
BE CREATIVE in your spare time!! This app enables you to make a pixel art easily. Although the operation is simple, it has layer editing, color making and other professional tools.
Japan
Paint 3D is a free, beginner-friendly 2D and 3D design app for Windows 10 and 11, originally developed by Microsoft. It lets you create 2D drawings and 3D models using brushes, shapes, stickers, textures, and a built-in 3D model library — all without needing design experience.
United States
Drawing and digital painting application with pressure-sensitive brushes. It belongs to the group of applications like Krita and MyPaint, but with a limited number of features. The main focus is on simplicity.
India
