One Commander uses MSGReader which depends on ImageSharp dll. The ImageSharp is distributed under Six Labors Split License / Apache License, Version 2.0. 

ImageSharp License
https://github.com/SixLabors/ImageSharp/blob/main/LICENSE

Licnesed under Apache License, V2. as a One Commander Package Dependency in the capacity of a For-profit company/individual with less than 1M USD annual gross revenue.

Six Labors Split License
Version 1.0, June 2022
Copyright (c) Six Labors

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