Commercial Products
Proprietary software that apple/swift can replace
Objective-C
Apple's proprietary object-oriented extension to C that was the primary language for iOS and macOS development before Swift.
C++
A compiled system programming language widely used for performance-critical applications, though not proprietary, it competes in the same domain.
Kotlin
JetBrains' statically-typed language designed as a more concise alternative to Java for Android and JVM development.
Go (Golang)
Google's compiled language designed for simplicity and concurrent programming, competing in system and backend development.
Rust
A systems programming language focused on memory safety and performance, developed as an alternative to C and C++.
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