Syntax Highlighting: Colorize more than 50 pre-installed major languages like HTML, PHP, Python, Ruby or Markdown. You can also create your own settings.




Judge0 IDE is described as 'Free and open-source online code editor that allows you to write and execute code from a rich set of languages. It's perfect for anybody who just wants to quickly write and run some code without opening a full-featured IDE on their computer' and is a Code Editor in the development category. There are more than 100 alternatives to Judge0 IDE for a variety of platforms, including Windows, Mac, Linux, BSD and Web-based apps. The best Judge0 IDE alternative is Notepad++, which is both free and Open Source. Other great apps like Judge0 IDE are Visual Studio Code, Sublime Text, VSCodium and Vim.
Syntax Highlighting: Colorize more than 50 pre-installed major languages like HTML, PHP, Python, Ruby or Markdown. You can also create your own settings.




UltraEdit is the ideal text, HTML and HEX editor, and an advanced PHP, Perl, Java and JavaScript editor for programmers. An industry-award winner, UltraEdit supports disk-based 64-bit file handling (standard) on 32-bit Windows platforms (Windows 2000 and later).




PSPad is a freeware programmers editor in 8 languages for Microsoft Windows operating systems. Some features are highlighted syntax, ftp, projects and so on. Code explorer for Pascal, C/C++, INI, HTML, XML, PHP and more in development, internal web browser with APACHE support.




SciTE is a SCIntilla based Text Editor. Originally built to demonstrate Scintilla, it has grown to be a generally useful editor with facilities for building and running programs. It is best used for jobs with simple configurations - I use it for building test and demonstration...


Leafpad is a lightweight text editor that emphasizes simplicity. As development focuses on keeping weight down to a minimum, only the most essential features are implemented in the editor.


Lightweight macOS code editor. Skip the setup, write code, run instantly. Built-in iOS simulator, AI assistance, and Linux support.




TextWrangler is the powerful general purpose text editor, and Unix and server administrator’s tool.




ReText is a simple text editor for Markdown and reStructuredText documents with syntax highlighting and optional live preview.


A text editor forked from Pluma and Gedit. Xed is the default text editor of Linux Mint. It can be customized and is available in multiple languages.




Xed Editor is a versatile text and code editor designed specifically for Android devices, offering users the ability to create, edit, and manage their text and code files with ease on their mobile devices.




High-performance terminal text editor developed in Rust, offering fast startup, low latency, extensibility, customizable keybindings, menu-driven native UI, robust mouse support, powerful command palette, cross-platform support, and syntax highlighting.



A lightweight yet powerful IDE/code editor that comes in both Web and desktop editions, the latter written with PHP and including choices for several platforms (Windows, Linux, Mac).

