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1. Okhsl Tone Curve Editor
Tone curve interface and histogram concepts based on Tohoho-kun/oklab-tone-curve-editor (MIT License).
MIT License
Copyright (c) 2025 Tohoho-kun
2. OKLab / OKLch / Okhsl Color Space
Designed by Björn Ottosson (2020). MIT / Public Domain equivalent.
Copyright (c) 2020 Björn Ottosson
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files...
3. Magic Kernel Sharp (MKS-2013 Resampling)
Mathematical downsampling filter invented by John Costella (2013). Released into the Public Domain.
The Magic Kernel and Magic Kernel Sharp are placed in the public domain by John Costella.
4. Mitchell-Netravali & Lanczos Filter
Classic mathematical signal processing & resampling filter functions (Public Domain / Standards).
5. heic2any
Client-side HEIC conversion library under MIT License.
Copyright (c) 2019 Aleksandr Motsjonov
Licensed under the MIT License.