Apps similar to Haystack IDE include Notepad++, which is free and open source. Other options are Visual Studio Code, Sublime Text, VSCodium and Vim. Code Editors like Haystack IDE are a crowded field, with more than 50 alternatives for Mac, Windows, Linux, the web and Android.
GNU Emacs is an extensible, customizable text editor—and more. At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. The features of GNU Emacs include:
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A free, open-source Integrated Development Environment for software developers. You get all the tools you need to create professional desktop, enterprise, web, and mobile applications with the Java language, C/C++, and even dynamic languages such as PHP, JavaScript, Groovy, and...
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Extensible text editor with UTF-8 support, syntax highlighting for several programming and markup languages, remote editing, file reverting, print preview, clipboard operations, powerful search, customizable fonts and colors, line numbering, and plugin support.
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Micro is a terminal-based text editor that aims to be easy to use and intuitive, while also taking advantage of the full capabilities of modern terminals.
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Replit is a collaborative cloud development environment offering in-browser IDE features like AI assistance, real-time collaboration, Git support, hosting, deployment, syntax highlighting, plugin extensibility, ad-free UI, dark mode, and live code sharing.
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A Community-led Hyper-Hackable Text Editor, built on Electron. and based on everything we love about our favorite editors.
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Brackets is an open-source editor for web design and development built on top of web technologies such as HTML, CSS and JavaScript.
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Lite XL is a lightweight text editor written mostly in Lua — it aims to provide something practical, pretty, small and fast, implemented as simply as possible; easy to modify and extend, or to use without doing either.
JetBrains WebStorm is a commercial IDE for JavaScript, CSS & HTML built on JetBrains' IntelliJ IDEA platform.
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TextMate brings Apple's approach to operating systems into the world of text editors. By bridging UNIX underpinnings and GUI, TextMate cherry-picks the best of both worlds to the benefit of expert scripters and novice users alike.
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Syntax Highlighting: Colorize more than 50 pre-installed major languages like HTML, PHP, Python, Ruby or Markdown. You can also create your own settings.
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