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Swift

Swift is a general-purpose programming language built using a modern approach to safety

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Swift is a general-purpose programming language designed to address safety, performance, and software design patterns across a wide range of development targets. It compiles directly to native code with predictable memory management, and enforces memory safety and data race safety at compile time. The language supports object-oriented, functional, and generic programming patterns, and interoperates with C and C++ types without requiring foreign function interfaces, enabling incremental adoption into existing codebases.

Swift targets embedded firmware, mobile apps, command line tools, and internet-scale services, with tooling available for Linux, macOS, and Windows. Packages cover machine learning and AI, and editor support includes Xcode, Visual Studio Code, Emacs, Neovim, and Cursor. The project is open source, with documentation, community forums, and a package ecosystem. Security vulnerabilities are reported through GitHub's private vulnerability feature and published as GitHub Security Advisories once updates are available.

12 alternatives to Swift

Ranked by how well each tool replaces Swift: shared features, audience, price and popularity.

  1. .NET

    The modern, innovative, open-source programming language for building all your apps.

    Covers 3 of 13 key features and has a free plan.

    Free planOpen source
    67 out of 100 matchFree

  2. Flutter

    Build for any screen

    Covers 4 of 13 key features.

    Open source
    61 out of 100 match—

  3. Dart

    Dart: An approachable, portable, and productive language for high-quality apps on any pla

    Covers 0 of 13 key features.

    Open source
    60 out of 100 match—

  4. B4X

    Cross-platform programming language

    Covers 4 of 13 key features and has a free plan.

    Free planOpen source
    59 out of 100 matchContact sales

  5. Free Pascal

    Open source compiler for Pascal and Object Pascal

    Covers 3 of 13 key features.

    Open source
    57 out of 100 match—

  6. Inform

    A natural-language-based programming language for writers of interactive fiction.

    Covers 3 of 13 key features and has a free plan.

    Free planOpen source
    57 out of 100 matchContact sales

  7. Skip

    One Swift Codebase. Two Native Platforms.

    Covers 1 of 13 key features and has a free plan.

    Free planOpen source
    57 out of 100 matchFree

  8. FlashDevelop

    Free open source code editor for Windows with first-class ActionScript and Haxe support

    Covers 1 of 13 key features and has a free plan.

    Free planOpen source
    57 out of 100 matchContact sales

  9. Embarcadero

    Cross-platform application development tools for Delphi and C++ developers.

    Covers 1 of 13 key features and has a free plan.

    Free plan
    57 out of 100 matchContact sales

  10. Swift Studio

    Native macOS IDE for Swift on Server development

    Covers 0 of 13 key features.

    56 out of 100 match—

  11. D Programming Language

    D is a general-purpose programming language with static typing, systems-level access, and

    Covers 2 of 13 key features.

    Open source
    55 out of 100 match—

  12. Clojure

    A robust, practical, and fast programming language combining approachability of scripting,

    Covers 3 of 13 key features.

    Open source
    55 out of 100 match—