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




Athas is described as 'Lightweight code editor with Vim mode, Git integration, AI-powered code editing, syntax highlighting, LSP support, and cross-platform compatibility' and is a Code Editor in the development category. There are more than 50 alternatives to Athas for a variety of platforms, including Mac, Windows, Linux, BSD and Flathub apps. The best Athas alternative is Notepad++, which is both free and Open Source. Other great apps like Athas 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.




CodeEdit is a code editor built by the community, for the community, written entirely and unapologetically for macOS. Features include syntax highlighting, code completion, project find and replace, snippets, terminal, task running, debugging, git integration, code review...





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.




A powerful IDE for data science, Zasper excels with massive concurrency support, enabling numerous simultaneous connections, minimal memory usage, and speedy performance. Suited for REPL-style data apps like Jupyter notebooks, fully supported on Mac with limited Linux 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...


JetBrains Air is the Agentic Development Environment where Codex, Claude Agent, Gemini CLI, and Junie execute independent task loops without interfering with each other.




With Theia you can develop one IDE and run it in browsers or native desktop application from a single source. Theia is designed in a modular way to allow extenders and adopters customizing and extending every aspect of it.




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.


Versatile Windows editor offering lightweight, ultra-fast performance with robust support for text, code, and CSV files, AI-assisted writing, macros, Unicode, plugins, syntax highlighting, advanced search, column editing, split views, and file encoding conversion.




Vim Classic is a fork of Vim 8.x for long-term maintenance, providing a stable, dependable editor — maintained entirely by humans.
