Code Editor / IDE

Github.com

Free, open source code editor for developers

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FlashDevelop is a free, open source code editor designed for developers, offering a flexible and user-friendly environment for coding projects.

Aws.amazon.com

Code, run, and debug projects from any browser

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AWS Cloud9 is a cloud-based IDE where you can write, run, and debug code from your browser, with built-in tools for popular programming languages.

Sourceforge.net

Develop in ANSI Common Lisp with CLISP tools

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Download CLISP, a portable ANSI Common Lisp development environment with interpreter, compiler, and debugger support.

Jetbrains.com

Boost coding with intelligent developer tools

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JetBrains offers smart development tools like IntelliJ IDEA and Kotlin to help software developers and teams code efficiently and collaborate with ease.

Jsfiddle.net

Test and share code instantly in your browser

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JSFiddle lets you write, test, and share JavaScript, HTML, and CSS code online—perfect for quick experiments, demos, and collaborative coding.

Notepad-plus-plus.org

Edit code and text for free on Windows

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

Sublimetext.com

Edit code and text with speed and style

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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.

Eclipse.org

Access open source developer tools and projects

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

Replit.com

Build and deploy apps with AI—right in your browser

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Replit lets you build, test, and deploy apps or sites with AI tools. Code, collaborate, and launch projects—all from your browser with no setup needed.

Ideone.com

Run and share code in 70+ languages online

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

Posit.co

Open-source tools for R & Python data science

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Posit offers open-source tools for data science, letting you code, share, and manage R and Python projects in the cloud or on your own servers.

Visualstudio.microsoft.com

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.

Barebones.com

Edit and manage code with powerful tools

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

Panic.com

Discover unique games and top Mac developer tools

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Panic creates Mac and iOS developer tools, publishes indie games, and offers Playdate, a unique handheld gaming system for creative gaming experiences.

Ckeditor.com

Collaborate on rich text editing in real time

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CKEditor offers a modern WYSIWYG HTML editor with real-time collaboration, image/file management, and customization options for content creation teams.

Codemirror.net

Embed a powerful code editor in your website

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CodeMirror is a flexible code editor component for the web, offering powerful editing features and easy integration for building interactive coding tools.

Emmet.io

Boost your HTML & CSS coding speed

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Emmet is a toolkit plugin for web developers that speeds up HTML and CSS coding in popular text editors, making web development faster and easier.

Jupyter.org

Run code and visualize data in your browser

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Jupyter offers a web-based tool for writing and running code, sharing data, and creating interactive notebooks for science, data analysis, and education.

Ace.c9.io

Embed a code editor directly into your site

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Ace is a fast, web-based code editor you can embed in your own site or app, offering syntax highlighting and rich features for developers.

Overleaf.com

Collaborate on LaTeX documents online in real time

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Overleaf is an online LaTeX editor for easy document creation, real-time collaboration, and access to templates—no installation needed.