github.com/k-o-d-e-n/CGLayout (swiftpm): Powerful autolayout framework, that can manage UIView(NSView), CALayer and not rendered views. Not Apple Autolayout wrapper. Provides placeholders. Linux support.
Keywords: anchor|autolayout-framework|calayer|constraints|frame|ios|layout|layout-engine|linux|macos|nsview|placeholder|snapshot|swift|swiftui|tvos|ui|uikit|uiview|uiview-extension