Upscayl
🆙 Upscayl - #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows.
Why it is included
The #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows. Upscayl uses the power of AI to upscale your images with the best quality possible.
Best for
Users exploring vetted FOSS alternatives in this space (image processing).
Strengths
- ~44,368 GitHub stars (per upstream list)
- Open source
Limitations
- Verify license, platform support, and security posture for your environment.
Good alternatives
Related tools
Graphics & Design
Graphite
Open source comprehensive 2D content creation tool suite for graphic design, digital art, and interactive real-time motion graphics — featuring node-based procedural editing
Graphics & Design
Gaphor
Gaphor is the simple modeling tool
Graphics & Design
Penpot
Penpot: The open-source design tool for design and code collaboration
Graphics & Design
chaiNNer
A node-based image processing GUI aimed at making chaining image processing tasks easy and customizable. Born as an AI upscaling application, chaiNNer has grown into an extremely flexible and powerful programmatic image processing application.
Graphics & Design
drawDB
Free, simple, and intuitive online database diagram editor and SQL generator.
Graphics & Design
ImageMagick
ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.