Ymacs -- AJAX source code editor with syntax highlighting and automatic indentationYmacs is an Emacs-like editor that works in a browser. This is an old project, but it still works very well. There was a major overhaul in 2024 so I wouldn't call it dead yet. Besides a lot of fixes and new features, an important change is that Ymacs is now standalone (no longer depends on thelib.js). Here is an instance with some HTML code from this very page. Try various editing commands, but fi
