Java Alternatives

Apps similar to Java include Python, which is free and open source. Other options are JavaScript, PHP, Rust and C++. There's no shortage of Programming Languages like Java, with more than 50 alternatives for Linux, Windows, Mac, the web and self-hosting.

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Alternatives
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Alternatives list

  1. Mojo icon
     5 likes

    Mojo is a specialized artificial intelligence (AI) programming language developed by Modular Inc. First released in May 2023, it is designed to become a superset of Python, with the performance of C.

    61 Mojo alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2023

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Self-Hosted
    • US flagUnited States
    Mojo screenshot 1
    Good alternative?
     
  2.  1 like

    Smalltalk is an object-oriented programming (OOP) language. It is objects all the way down. Smalltalk’s purity and clarity in this regard made it the archetype for nearly all other OOP languages.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2019

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    • Android
    • iPhone
    Good alternative?
     
  3. Tcl icon
     22 likes

    Tcl (Tool Command Language) is a very powerful but easy to learn dynamic programming language, suitable for a very wide range of uses.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2012

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    Good alternative?
     
  4. Temper is a programming language and toolchain for making libraries that can be used natively from any other language.

    Cost / License

    Application type

    Since

    • Since 2026

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  5. Vala icon
     15 likes

    Vala is a new programming language that aims to bring modern programming language features to GNOME developers without imposing any additional runtime requirements and without using a different ABI compared to applications and libraries written in C.

    Cost / License

    Application type

    Since

    • Since 2012

    Platforms

    • Windows
    • Linux
    • BSD
    • Linux Mobile
    Good alternative?
     
  6. Unison is a statically-typed functional language with type inference, an effect system, and advanced tooling. It is based around a big idea of content-addressed code, in which function are identified by a hash of their implementation rather than by name, and code is stored as...

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2025

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Self-Hosted
    Good alternative?
     
  7. The X10 programming language is organized around four basic principles of asynchrony, locality, atomicity, and order that are developed on a type-safe, class-based, object-oriented foundation. This foundation is robust enough to support fine-grained concurrency, Cilk-style...

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2012

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  8. Object Pascal is a multi-paradigm, object-oriented, component-based general purpose programming language.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2019

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Android
    • iPhone
    • Haiku
    • AmigaOS
    • MorphOS
    • AROS
    Good alternative?
     
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  9. Wolfram Language is a symbolic language, deliberately designed with the breadth and unity needed to develop powerful programs quickly. By integrating high-level forms—like Image, GeoPolygon or Molecule—along with advanced superfunctions—such as ImageIdentify or...

    120 Wolfram Language alternatives

    Cost / License

    • Free
    • Proprietary (MIT)

    Application type

    Since

    • Since 2023

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • FreeBSD
    • OpenBSD
    • openSUSE
    • Online
    • NetBSD
    • OpenSolaris
    Good alternative?
     
  10. Ponyc icon
     Like

    Pony is an open-source, object-oriented, actor-model, capabilities-secure, high-performance programming language.

    Cost / License

    Application type

    Since

    • Since 2023

    Platforms

    • Windows
    • Mac
    • Linux
    • FreeBSD
    • Ubuntu
    • Online
    • Android
    • Linux Mint
    • Alpine Linux
    Good alternative?
     
  11. Odin icon
     4 likes

    The Odin programming language is fast, concise, readable, pragmatic and open sourced. It is designed with the intent of replacing C with the following goals:

    82 Odin alternatives

    Cost / License

    • Free
    • Open Source (Zlib)

    Application type

    Since

    • Since 2019

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    Good alternative?
     
  12. HolyC icon
     5 likes

    HolyC is very similar to regular C, so it's a very simple but powerful language. It was used to make all of TempleOS, so it definitely works to make programs.

    Cost / License

    Application type

    Since

    • Since 2023

    Platforms

    • Linux
    • Self-Hosted
    Good alternative?
     
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