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Kotlin

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Kotlin is a cross-platform, statically typed, general-purpose programming language with type inference. Kotlin is designed to interoperate fully with Java, and the JVM version of its standard library depends on the Java Class Library, but type inference allows its syntax to be...

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License model

  • Free • Open Source

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Country of Origin

  • CZ flagCzechia
  • European Union flagEU

Platforms

  • Mac
  • Windows
  • Linux
  • Online
Kotlin screenshot 1
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Features

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  1.  Object-oriented Language
  2.  Cross-Platform
  3.  Static typing
  4.  Type inference
  5.  Support for scripting
  6.  Portable
  7.  Java Support
  8.  Multiplatform
  9.  Interpreter
  10.  Android Development
  11.  Rad

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  • thejfex and Eighty-nine liked Kotlin
    2 months ago
  • braky updated Kotlin
    4 months ago
  • PredatorQ and pierceddvampp liked Kotlin
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Kotlin information

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Development

GitHub repository

  •  50,736 Stars
  •  5,939 Forks
  •  194 Open Issues
  •   Updated Jun 15, 2025 
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Kotlin was added to AlternativeTo by s_ktt on Aug 12, 2014 and this page was last updated Feb 15, 2025.
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What is Kotlin?

Kotlin is a cross-platform, statically typed, general-purpose programming language with type inference. Kotlin is designed to interoperate fully with Java, and the JVM version of its standard library depends on the Java Class Library, but type inference allows its syntax to be more concise. Kotlin mainly targets the JVM, but also compiles to JavaScript or native code (via LLVM). Kotlin is sponsored by JetBrains and Google through the Kotlin Foundation.

Kotlin is officially supported by Google for mobile development on Android. Since the release of Android Studio 3.0 in October 2017, Kotlin is included as an alternative to the standard Java compiler. The Android Kotlin compiler lets the user choose between targeting Java 6 or Java 8 compatible bytecode.

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