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Alternatives to Runjs.app

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Top Runjs.app Alternatives (Prioritized Matches)

playcode.io favicon

Run JavaScript code instantly in your browser

73%

Write, run, and experiment with JavaScript code instantly in your browser—perfect for learning, prototyping, and quick testing with no setup required.

paiza.io favicon

Write and run code instantly in your browser

72%

Run and share code online in multiple programming languages with Paiza.IO—an easy-to-use code editor and compiler you can access from your browser.

visualstudio.microsoft.com favicon

Code, debug, and test with built-in AI tools

63%

Visual Studio 2022 is a powerful IDE with integrated AI tools for coding, debugging, and testing, designed to help you build and manage software projects easily.

codewith.mu favicon

Start coding easily with a beginner-friendly editor

58%

Code With Mu offers an easy-to-use code editor and beginner-friendly tutorials to help you start programming quickly in a simple environment.

trinket.io favicon

Write and run code instantly in your browser

57%

Trinket lets you write and run code right in your browser, making it easy to learn, teach, and share coding projects on any device.

makecode.mindstorms.com favicon

Code LEGO robots visually or with JavaScript

57%

Create and edit code for LEGO MINDSTORMS EV3 robots using an easy Blocks or JavaScript editor—ideal for learning programming and robotics.

makecode.microbit.org favicon

Code and simulate micro:bit projects online

55%

Create and test code for the BBC micro:bit using an easy blocks or JavaScript editor—perfect for learning programming and electronics online.

sqlfiddle.com favicon

Practice SQL online with instant AI help

55%

Try SQL Fiddle, a free online SQL editor with AI chat to help you write, explain, and practice SQL code for multiple database systems.

phcode.dev favicon

Code in a playful, game-inspired editor

54%

Phoenix Code is a text editor that makes coding feel playful and intuitive, designed for web developers, designers, and students who want a fun experience.

aquamacs.org favicon

Emacs tailored for Mac with native integration

52%

Aquamacs is a user-friendly Emacs-based text editor for Mac, supporting coding, LaTeX, and more, designed to work seamlessly with macOS features.

eric-ide.python-projects.org favicon

Edit and manage Python projects with ease

52%

Eric is a Python IDE and code editor with project management tools, plug-in support, and a flexible interface for both quick edits and full development.

codeblocks.org favicon

Free, customizable C/C++ IDE for all platforms

51%

Code::Blocks is a free, customizable IDE for C, C++, and Fortran, offering cross-platform support and a wide range of features for developers.

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Run code instantly in your browser

51%

Write, compile, and run code in multiple programming languages directly in your browser—no installation needed. Quick and easy online coding platform.

kdevelop.org favicon

Develop C, C++, Python, and PHP projects with ease

50%

KDevelop is a free, cross-platform IDE for C, C++, Python, QML/JavaScript, and PHP, offering code completion, project tools, and documentation integration.

onecompiler.com favicon

Run and share code in 70+ languages instantly

50%

Write, run, and share code online in 70+ languages with OneCompiler. Practice coding, test programs, and embed code editor features on your website.

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Test code in 30+ languages online instantly

50%

Run and test code online in multiple programming languages instantly—no installation needed. Supports dozens of languages for quick experiments and sharing.

nuclide.io favicon

Enhance Atom for React Native and Flow development

49%

Nuclide is an open-source package for Atom, offering a powerful development environment for React Native, Hack, and Flow projects.

spacemacs.org favicon

Combine Vim and Emacs in one editor

49%

Spacemacs is an advanced Emacs configuration that blends Vim and Emacs editing, offering a powerful, customizable text editor for developers.

eiffel.com favicon

Build reliable software with EiffelStudio IDE

49%

Eiffel Software offers EiffelStudio, an IDE for building reliable and adaptable software with features like design by contract and automatic testing.

codelobster.com favicon

Develop PHP and web apps across multiple platforms

49%

CodeLobster is a free, portable cross-platform IDE for PHP, HTML, CSS, JavaScript, and more, supporting popular frameworks and CMS tools.

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Build custom dev tools in one environment

49%

Glamorous Toolkit is a moldable development environment where you can program, combine tools, and work with many languages in one customizable workspace.

flow.m5stack.com favicon

Graphical coding for M5Stack devices—no compiling needed

49%

Flow.m5stack.com offers a graphical programming IDE for M5Stack devices, making it easy to code, deploy, and prototype with hardware peripherals.

linqpad.net favicon

Run and test .NET code instantly

49%

LINQPad lets you write, test, and run C#, F#, and VB code instantly. Explore databases, experiment with code, and debug in a quick, flexible workspace.

genuitec.com favicon

Develop Java apps with smart tools and AI support

48%

MyEclipse is a Java IDE offering tools for enterprise development, including coding, debugging, and deployment with a free trial.

os.mbed.com favicon

Build IoT projects with free Arm-based tools

47%

Mbed OS offers free open-source tools and resources to build IoT projects with Arm processors, including development boards, IDEs, and hardware libraries.

go.dev favicon

Write and run Go code instantly online

45%

Try out, edit, and share Go code instantly in your browser. No setup needed—just write, run, and format Go programs online with helpful tips and docs.

ipython.org favicon

Write and test Python code interactively

44%

IPython offers an interactive computing environment for Python, making it easy to write, test, and visualize code for data analysis and research.

notepad-plus-plus.org favicon

Edit code and text for free on Windows

36%

Notepad++ is a free source code editor and Notepad replacement for Windows, supporting multiple programming languages and easy text editing.

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Edit code and text with speed and style

36%

Sublime Text is a fast, feature-rich text editor for code, markup, and prose, offering a sleek interface and powerful tools for developers and writers.

coteditor.com favicon

Edit text and code natively on your Mac

36%

CotEditor is a clean, user-friendly text editor built specifically for macOS, offering a native experience for editing plain text and code files.

Worldwide Runjs.app Alternatives

play.kotlinlang.org favicon

Run Kotlin code instantly in your browser

59%

Edit, run, and share Kotlin code instantly online. Practice programming, test snippets, and learn Kotlin right in your browser—no setup needed.

dotnetfiddle.net favicon

Run and share C# code instantly online

58%

Write, run, and share C#, VB.NET, or F# code directly in your browser with .NET Fiddle's online code editor—no installation needed.

bluej.org favicon

Learn Java with an easy beginner-friendly IDE

56%

BlueJ is a free Java development environment designed to help beginners learn programming with simple tools and an easy-to-use interface.

dartcode.org favicon

Boost VS Code with Dart & Flutter tools

56%

Enhance Visual Studio Code with Dart and Flutter tools for editing, refactoring, and running Dart and Flutter mobile or web apps directly in your editor.

onlinegdb.com favicon

Debug C/C++ code instantly in your browser

52%

Write, compile, run, and debug C/C++ code online with an easy-to-use browser-based editor and debugger—no downloads or setup needed.

lazarus-ide.org favicon

Build cross-platform apps with a free IDE

51%

Lazarus is a free, open-source IDE for cross-platform software development using Free Pascal, offering a visual programming environment like Delphi.

snack.expo.dev favicon

Code and preview React Native apps instantly

51%

Write and run React Native code right in your browser, preview it instantly on your phone, and share projects easily—no installation needed.

bricxcc.sourceforge.net favicon

Program LEGO Mindstorms robots with ease

50%

Bricx Command Center is a free IDE for programming LEGO Mindstorms robots, helping you write, edit, and upload code easily to your robot projects.

geany.org favicon

Edit and manage code with a fast, lightweight IDE

49%

Geany is a lightweight, fast code editor and IDE for programmers. It supports 50+ languages, works on Windows, Linux, and macOS, and is easy to use.

lispworks.com favicon

Develop Common Lisp apps across platforms easily

49%

LispWorks offers an integrated development environment for Common Lisp, with cross-platform support, editor features, and helpful resources for developers.

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