Open source licenses
Scalio's local upscaling engine is built on open source software. Real-ESRGAN and the ncnn-vulkan runtime it uses are licensed under BSD 3-Clause; license texts ship inside the installation folder.
Real-ESRGAN
The AI model that performs the photo enlargement. Scalio bundles a compiled build of Real-ESRGAN and runs it as a local subprocess — no photo is sent to a server.
License: BSD 3-Clause · GitHub
ncnn / ncnn-vulkan
A lightweight neural network inference runtime; Real-ESRGAN uses its Vulkan backend to run on the GPU.
License: BSD 3-Clause · GitHub
Magick.NET
The image reading/writing library used for format conversion and resizing to web-ready sizes.
License: Apache License 2.0 · GitHub
Real-ESRGAN and ncnn-vulkan engines are used under the BSD 3-Clause license; full license texts are included in the installation folder.