Alternatives to 3v4l.org

Discover websites similar to 3v4l.org. Section 1 prioritizes sites with matching domain extensions and/or languages. Section 2 offers worldwide alternatives.

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Top 3v4l.org Alternatives (Prioritized Matches)

ipython.org favicon

Write and test Python code interactively

56%

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

godbolt.org favicon

View assembly output from your code in real time

56%

Compile and explore C++, Rust, Go, and more online, instantly seeing the generated assembly code and comparing outputs across multiple compilers.

notepad-plus-plus.org favicon

Edit code and text for free on Windows

40%

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

nano-editor.org favicon

Edit text easily in your terminal

38%

GNU nano offers a simple, easy-to-use text editor for the terminal with features like syntax highlighting, spell check, and undo/redo.

play.rust-lang.org favicon

Write and run Rust code instantly online

38%

Try out Rust code in your browser, experiment with examples, and see instant results—no installation needed. Great for learning and quick testing.

aquamacs.org favicon

Emacs tailored for Mac with native integration

38%

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

kate-editor.org favicon

Edit multiple files with powerful tools

38%

Kate is a modern, feature-rich text editor for editing and viewing multiple files at once, with tabs, split views, and powerful plugins for developers.

kdevelop.org favicon

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

38%

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

codeblocks.org favicon

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

36%

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

makecode.microbit.org favicon

Code and simulate micro:bit projects online

36%

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

netbeans.apache.org favicon

Develop apps with a free, open-source IDE

36%

Apache NetBeans is a free, open-source development environment and platform for building applications in Java, PHP, and other languages.

editor.p5js.org favicon

Code and preview p5.js sketches online

36%

Create, edit, and run p5.js code right in your browser—no installation needed. Perfect for artists, designers, educators, and coding beginners.

theia-ide.org favicon

Develop in the cloud or on desktop with full flexibility

36%

Theia IDE is an open-source development environment for cloud and desktop, supporting VS Code extensions and AI tools while keeping your data private.

spacemacs.org favicon

Combine Vim and Emacs in one editor

36%

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

pgtap.org favicon

Unit test your PostgreSQL databases easily

34%

pgTAP helps you write and run unit tests for PostgreSQL databases, using familiar TAP output for easy integration with testing tools and reports.

desktop.turbowarp.org favicon

Edit Scratch 3 projects offline with extra features

30%

TurboWarp Desktop lets you edit and run Scratch 3 projects offline with extra features like a compiler, dark mode, add-ons, and cross-platform support.

mochajs.org favicon

Easily test JavaScript code in Node.js or browsers

29%

Mocha is an open-source JavaScript test framework for Node.js and browsers, helping you run, organize, and report on automated tests with ease.

robolectric.org favicon

Run Android unit tests instantly on your desktop

29%

Robolectric is a framework that lets you run fast, reliable unit tests for Android apps directly on your computer, without needing a device or emulator.

nightwatchjs.org favicon

Automate web and mobile app testing with Node.js

27%

Nightwatch.js lets you write, run, and debug end-to-end tests for web and mobile apps using Node.js, with tools for easy automation and debugging.

editorconfig.org favicon

Keep code style consistent across editors

24%

EditorConfig helps you keep coding styles consistent across different editors and IDEs with an easy file format and handy plugins for your projects.

lips.js.org favicon

Write and run Scheme in your browser

24%

Run and experiment with Scheme code directly in your browser, mixing Scheme and JavaScript with easy access to documentation and interactive features.

blockbuilder.org favicon

Edit and share d3.js code instantly online

24%

Blockbuilder lets you create, fork, and edit d3.js code snippets directly in your browser, making it easy to experiment and share data visualizations.

platformio.org favicon

Develop and test embedded software with ease

22%

PlatformIO helps you build, test, and manage embedded software projects with powerful tools, IDE integration, and support for many development boards.

eclipse.org favicon

Access open source developer tools and projects

20%

Eclipse Foundation offers open source tools, IDEs, and frameworks for developers, supporting collaboration and innovation across cloud, IoT, and more.

xdebug.org favicon

Debug and profile your PHP code easily

20%

Xdebug is a PHP extension that helps you debug, profile, and improve your PHP code for a smoother development experience.

stockfishchess.org favicon

Download a top-rated open-source chess engine

20%

Stockfish is a powerful open-source chess engine that lets you download, analyze games, and improve your chess skills with advanced AI tools.

asciimath.org favicon

Type math and see instant results in your browser

20%

AsciiMath lets you write math equations easily using a simple markup language and see them rendered instantly in your browser.

rubular.com favicon

Test Ruby regex patterns instantly online

74%

Rubular is a simple, web-based Ruby regular expression editor and tester that lets you quickly create, test, and debug regex patterns online.

pyzo.org favicon

Interactive Python IDE for all platforms

60%

Pyzo is a free, open-source Python IDE that offers an interactive editor, shell, and tools for coding with any Python interpreter on your system.

ideone.com favicon

Run and share code in 70+ languages online

58%

Ideone.com lets you write, compile, and run code in 70+ programming languages online—test ideas, debug, and share code easily from your browser.

Worldwide 3v4l.org Alternatives

zed.dev favicon

Collaborate on code in real time with AI support

58%

Zed is a fast, next-gen code editor with multiplayer features and AI assistance, built for seamless coding and real-time collaboration.

cursor.com favicon

Code faster with AI-powered editing

58%

Cursor is an AI-powered code editor that helps you write, edit, and manage code efficiently, offering smart features to boost your productivity.

windsurf.com favicon

Boost coding speed with AI-powered editing

55%

Windsurf is an AI-powered code editor and assistant designed to help developers write, edit, and manage code faster and more efficiently.

regex101.com favicon

Test and debug regex instantly online

53%

Build, test, and debug regular expressions online with instant feedback, syntax highlighting, and helpful explanations for multiple programming languages.

regextester.com favicon

Test and debug regex instantly online

51%

Test and debug regular expressions online for JavaScript, PHP, and PCRE. Instantly see matches and results to refine your regex with ease.

gotipplay.golang.org favicon

Run Go code instantly in your browser

49%

Run, test, and share Go code instantly in your browser with this online playground—no installation needed. Try out Go features and see results fast.

regexr.com favicon

Test and learn regex with instant feedback

47%

RegExr lets you build, test, and learn regular expressions with real-time feedback, syntax highlighting, and helpful community patterns.

sublimetext.com favicon

Edit code and text with speed and style

40%

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

40%

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

barebones.com favicon

Edit and manage code with powerful tools

38%

BBEdit is a fast, professional text and code editor for macOS, offering powerful tools and productivity features for developers and writers.