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Alternatives to Paiza.io

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Run JavaScript code instantly in your browser

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

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Write and test JavaScript with instant results

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RunJS is a desktop app that lets you write, run, and experiment with JavaScript and Node.js code, offering live feedback and helpful code suggestions.

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

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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.

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Code and simulate micro:bit projects online

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

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Practice SQL online with instant AI help

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

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Emacs tailored for Mac with native integration

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

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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.

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Start coding easily with a beginner-friendly editor

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

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Write and run code instantly in your browser

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

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Code LEGO robots visually or with JavaScript

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

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

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

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Test code in 30+ languages online instantly

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

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Enhance Atom for React Native and Flow development

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

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

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Build reliable software with EiffelStudio IDE

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

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Build custom dev tools in one environment

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

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Graphical coding for M5Stack devices—no compiling needed

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

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Run and test .NET code instantly

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Develop Java apps with smart tools and AI support

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Build IoT projects with free Arm-based tools

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

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

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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.

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Run and share code in 70+ languages instantly

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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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Develop PHP and web apps across multiple platforms

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Write and test Python code interactively

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Ozobot Blockly lets you program Ozobot robots with easy drag-and-drop blocks or advanced code, making robotics learning fun for all experience levels.

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Run WordPress instantly in your browser

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Try out WordPress directly in your browser for learning, testing, or development—no installation needed. Explore and experiment with WordPress easily.

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Start coding instantly in the cloud

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Gitpod offers a cloud-based development environment, letting you code instantly from any device without setup. Collaborate and work on projects online.

Worldwide Paiza.io Alternatives

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Learn Java with an easy beginner-friendly IDE

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

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Run Kotlin code instantly in your browser

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

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Run and share C# code instantly online

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

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Build cross-platform apps with a free IDE

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

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Code and preview React Native apps instantly

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

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Boost VS Code with Dart & Flutter tools

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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.

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Program LEGO Mindstorms robots with ease

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

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Edit and manage code with a fast, lightweight IDE

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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.

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Develop Common Lisp apps across platforms easily

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

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Write and debug Python code in Eclipse

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PyDev is a Python IDE plugin for Eclipse, helping you write, debug, and manage Python code with powerful features right inside Eclipse.

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