FireAlpaca

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ProtoPie

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.

Figma is a web-based collaborative interface design tool that help teams create, test and ship together. The software provides real-time vector graphic manipulation and collaboration with drag and drop functionalities. Packaged as a snappy cloud software where you don't need to install anything to get started, simply login and get going with your next design project.

Sketch is a vector design tool for macOS that is primarily used for UI and UX creation. With Sketch designers can create icons, websites and user interface components that are compatible with desktop and mobile devices. The software's .sketch files are compatible with popular design tools such as Adobe Illustrator and Adobe Photoshop. Sketch is good tool for both beginners and professionals alike, and has a strong community which stands by the software.

Affinity Designer is a vector graphic design software iOS, macOS and Windows. The software is built from the ground up to provide a fast, smooth and precise vector graphic editing experience. The native UI provided by Affinity Designer allow you to zoom your project to over 1,000,000% allowing you to be extremely precise when working on your projects. Professionals and and hobbyists alike, use Affinity Designer to improve their workflow and provide top quality results.