Code Editor / IDE

Acode.app

Code on your Android device anywhere

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Acode is a code editor app for Android that lets you write, edit, and run code on your mobile device, making coding on the go simple and accessible.

Kdevelop.org

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.

Ionide.io

Transform VSCode into a full F# IDE

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Ionide offers powerful, cross-platform developer tools and plugins for F#, including a popular Visual Studio Code extension and supporting utilities.

Livecode.com

Build apps visually—no coding required

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LiveCode lets you build apps for mobile and desktop with simple drag-and-drop tools—no coding experience needed. Create, customize, and launch easily.

Webcomponents.dev

Create and test web components in your browser

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Build, test, and compare web components online with a powerful browser-based IDE for frontend developers. No downloads or setup needed—just start coding.

3v4l.org

Run PHP code in 250+ versions online instantly

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Test and compare your PHP code online across 250+ PHP versions. Instantly see output, stats, and compatibility for any script, right in your browser.

Dartcode.org

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.

Play.kotlinlang.org

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.

Pyzo.org

Interactive Python IDE for all platforms

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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.

Openwatcom.org

Download free open-source C/C++ development tools

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Open Watcom offers an open-source C/C++ compiler and development tools for building software, with resources for programmers and retro computing fans.

Blockbuilder.org

Edit and share d3.js code instantly online

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

Bricxcc.sourceforge.net

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.

Sweetscape.com

Edit and analyze binary files with templates

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Edit and analyze text or binary files with advanced hex editing, templates, and scripting tools. Ideal for data recovery, forensics, and reverse engineering.

Esnextb.in

Write and share JavaScript code instantly

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ESNextbin lets you write, run, and share JavaScript code online in your browser—perfect for quick experiments and collaborative coding.

Rhmsoft.com

Explore top-rated Android apps for work and play

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Discover Android apps like code editors, music players, and utility tools designed for productivity and enjoyment, all from Rhythm Software.

Bracketsapps.com

Edit and preview web code in real time

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Brackets is a free, open-source code editor designed for web development, offering live preview and smart editing tools for HTML, CSS, and JavaScript.

Vibo.dev

Edit and view JSON & XML files online

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Edit and view JSON or XML files easily in your browser. Quickly format, validate, and manage your data without installing any extra software.

Gcc.godbolt.org

See code compile to assembly in real time

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Try code online and instantly see assembly output for C++, Rust, Go, and more. Explore how your code compiles and learn from real-time results.

Continue.dev

Build custom AI code assistants in your IDE

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Continue is an open-source AI code assistant that lets you build, share, and use custom autocomplete and chat tools right inside your favorite IDE.

Hazel.org

Experiment with live functional code instantly

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Hazel is an interactive functional programming environment that lets you write and explore code with live feedback and support for typed holes.