ScalaFiddle is a popular online platform for writing and running Scala code in the browser. It offers an interactive development environment (IDE) with features such as code highlighting, auto-completion, and instant feedback. However, with the emergence of new tools and technologies, there are several alternatives and competitors to ScalaFiddle that offer similar or enhanced features. In this article, we will explore the ten best ScalaFiddle alternatives and competitors in 2024, highlighting their key features and value propositions.

1. Scastie

Scastie is a powerful online IDE for Scala that provides a rich set of features for writing and running code. It offers a user-friendly interface with features such as syntax highlighting, code completion, and error highlighting. Scastie also supports multiple versions of Scala and provides powerful debugging capabilities. With its robust features and easy-to-use interface, Scastie is a top choice for users seeking a reliable and feature-rich Scala development environment.

2. IntelliJ IDEA

IntelliJ IDEA is a popular integrated development environment (IDE) that provides a comprehensive development experience for Scala developers. It offers advanced features such as code analysis, refactoring, and debugging, as well as integration with other tools such as Git and Docker. With its powerful features and seamless integration with other tools, IntelliJ IDEA is a formidable competitor to ScalaFiddle for developers seeking an all-in-one development environment.

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3. Ammonite

Ammonite is a powerful command-line tool for Scala that provides a fast and efficient way to write and run Scala code. It offers features such as code highlighting, auto-completion, and syntax checking, as well as support for Scala scripts and REPL. With its focus on command-line interface and seamless integration with other tools, Ammonite is an excellent alternative to ScalaFiddle for users who prefer command-line development.

4. ScalaIDE

ScalaIDE is an Eclipse-based integrated development environment (IDE) that provides a comprehensive development experience for Scala developers. It offers advanced features such as code analysis, refactoring, and debugging, as well as integration with other tools such as Git and Maven. With its powerful features and seamless integration with Eclipse, ScalaIDE is a compelling alternative to ScalaFiddle for developers seeking a robust and familiar development environment.

5. Metals

Metals is a lightweight language server for Scala that provides powerful language features such as code highlighting, auto-completion, and refactorings. It also offers support for popular build tools such as sbt and Gradle, as well as integration with code editors such as VS Code and Sublime Text. With its focus on performance and simplicity, Metals is an ideal choice for users seeking a lightweight and efficient Scala development environment.

6. Visual Studio Code (VS Code)

Visual Studio Code is a popular code editor that provides a rich set of features for Scala developers. It offers syntax highlighting, auto-completion, debugging, and integration with popular build tools such as sbt and Maven. With its powerful features and seamless integration with other tools, Visual Studio Code is a strong competitor to ScalaFiddle for developers seeking a customizable and feature-rich development environment.

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7. Apache NetBeans

Apache NetBeans is an open-source integrated development environment (IDE) that provides a comprehensive development experience for Scala developers. It offers advanced features such as code analysis, refactoring, and debugging, as well as integration with other tools such as Git and Maven. With its powerful features and open-source nature, Apache NetBeans is an attractive alternative to ScalaFiddle for users seeking a free and robust development environment.

8. Sbt

Sbt (Scala build tool) is a popular build tool for Scala projects that provides a fast and efficient way to manage dependencies and build projects. It offers advanced features such as incremental compilation, parallel execution, and integration with popular code editors such as IntelliJ IDEA and Eclipse. With its focus on build automation and seamless integration with other tools, Sbt is an excellent alternative to ScalaFiddle for users seeking a powerful and efficient build tool.

9. Mill

Mill is a fast and lightweight build tool for Scala that provides a simple and declarative way to manage dependencies and build projects. It offers advanced features such as incremental compilation, parallel execution, and support for Scala.js and Scala-native. With its focus on simplicity and performance, Mill is an ideal choice for users seeking a lightweight and efficient build tool for their Scala projects.

10. Bloop

Bloop is a fast and lightweight build server for Scala that provides a seamless development experience for users. It offers features such as fast compilation times, incremental compilation, and support for popular code editors such as VS Code and Sublime Text. With its focus on performance and simplicity, Bloop is an attractive alternative to ScalaFiddle for users seeking a fast and efficient build server for their Scala projects.

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In conclusion, while ScalaFiddle has been a popular choice for online Scala development, there are several compelling alternatives and competitors available in 2024. Depending on the specific needs of users, they can choose from a range of development tools that offer features for writing and running Scala code, managing dependencies, and building projects. By considering these ten ScalaFiddle alternatives and competitors, users can find the perfect development environment to streamline their Scala programming and achieve their goals efficiently.