The Wonderful World of Private APIs
PrivateSymbols
A macOS app like SF Symbols that lets you browse private SF Symbols. Download the app and explore Apple's hidden symbol library.
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CAFilterBuiltins
A Swift package providing a CIFilterBuiltins-like API for Core Animation's private CAFilter class. Type-safe, Swift-friendly filters.
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QuartzMore
"More from QuartzCore"
An experimental Swift package that provides lightweight, type-safe wrappers around Core Animation private APIs.