FireAlpaca

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Paint.NET

GIMP is a free and open-source raster graphics editor developed by the Free Software Foundation (GNU). The software is a perfect fit for anyone looking for a free and open alternative to Adobe Photoshop. GIMP can be used for photo retouching, image editing and composition. The software is commonly know within the Linux community but is available under the GPLv3+ licenses for macOS and Windows as well.

A multi‑award winning creative application gives you the power to create beautiful sketches, inspiring paintings, and stunning illustrations wherever you are. Procreate is a raster graphics editor app developed specifically for iOS and iPadOS. The application supports both multi-touch and the Apple Pencil.

Glimpse is an open source image editor based on the GNU Image Manipulation Program (GIMP) 2.10.18. The goal of Glimpse is to experiment with new ideas and expand the use of free/libre software. Glimpse brings a new name and logo, a cleaner UI, and fewer "easter eggs" make an already amazing open source software package feel more enterprise-ready.

Krita is a professional free and open-source painting software created and maintained by artists. The main focus of the project is to create top quality painting tools that everyone can afford and enjoy. Krita features an OpenGL-accelerated canvas, colour management support, an advanced brush engine, non-destructive layers and masks, group-based layer management, vector artwork support and switchable customisation profiles.

Unleash your creativity with Corel Painter, Tthe most realistic painting experience you'll find hard to resist. Corel Painter is a commerical raster-based painting software that simulates an accurate experience associated with drawing, painting, and printmaking. Corel Painter is used by professional digital artists across the globe, whom use the application to create amazing art in real-time.

With ProtoPie you and your team can effortlessly create interactive prototypes using our unique conceptual model. ProtoPie is a design tool used to turn your UI/UX design ideas into highly interactive prototypes for mobile, desktop, web, all the way to IoT. Easily create any inteaction using a Object + Trigger + Response model. Aftwards you can explore, validate, and test design ideas by creating very realistic, production-like prototypes without code.