Code Editor / IDE

Browse 69 websites in this category • Page 3 of 4

Sites where Code Editor / IDE is a core feature are shown first, marked with a Core badge.

makecode.microbit.org favicon

Code and simulate micro:bit projects online

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

eclipsesource.com favicon

Build custom IDEs and AI-powered tools

EclipseSource helps you build custom IDEs and domain-specific tools, offering expert support for web-based and AI-powered development environments.

remix.ethereum.org favicon

Build and test Ethereum smart contracts online

Remix is a web-based IDE for developing, testing, and deploying Ethereum smart contracts—no installation needed, works right in your browser.

playground.amp.dev favicon

Experiment with AMP code instantly online

Test and edit AMP HTML code live in your browser with instant feedback. Save, share, and experiment with AMP features easily in this online playground.

nuclide.io favicon

Enhance Atom for React Native and Flow development

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

pharo.org favicon

Code live with an immersive programming environment

Pharo offers a pure object-oriented programming language and interactive environment for building and exploring code with immediate feedback.

godbolt.org favicon

View assembly output from your code in real time

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

bun.sh favicon

Bundle, run, and manage JavaScript in one tool

Bun is a fast JavaScript runtime with built-in tools for bundling, installing, and running JavaScript and TypeScript apps—all in one toolkit.

digitalmars.com favicon

Download C, C++, and D compilers for Windows and DOS

Find free C, C++, and D compilers for Windows and DOS, plus programming tools and resources for developers interested in classic and modern languages.

netbeans.apache.org favicon

Develop apps with a free, open-source IDE

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

gitpod.io favicon

Start coding instantly in the cloud

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

astexplorer.net favicon

Visualize and edit code ASTs instantly online

AST Explorer lets you view and edit abstract syntax trees (ASTs) online, making it easy to understand and experiment with code structure in your browser.

onlinegdb.com favicon

Debug C/C++ code instantly in your browser

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

witheve.com favicon

Code with a human-first language and IDE

Eve offers a human-friendly programming language and IDE designed to make coding more intuitive, with documentation, a playground, and community resources.

pharo-project.org favicon

Code and learn with instant feedback

Pharo offers a pure object-oriented programming language and an all-in-one development environment designed for simplicity and instant feedback.

amber-lang.net favicon

Write and run Smalltalk code in your browser

Amber Smalltalk lets you code in Smalltalk for the web, offering a live in-browser environment with editing, debugging, and testing tools.

regextester.com favicon

Test and debug regex instantly online

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

cursor.com favicon

Code faster with AI-powered editing tools

Cursor is an AI-powered code editor that helps you write, edit, and manage code more efficiently, with smart features for a faster workflow.

omz-software.com favicon

Automate writing and coding on your iPad

omz:software offers innovative iPad apps like Editorial, a plain text and Markdown editor with advanced automation tools for writers and coders.

play.rust-lang.org favicon

Write and run Rust code instantly online

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