Table:
text: Comparison of JavaScript-based source code editors
Overview
List of source code editors
Editor Site Style_clone_of Cost_US_ Open_source Activity
Ace (editor) Home, demo Sublime Text / Microsoft Visual Studio Free Yes Yes
CodeMirror Home, demo plain textarea Free Yes Yes
Orion Home Eclipse SWT StyledText, regular textarea Free Yes Yes
Monaco Editor example Microsoft Visual Studio used only by Microsoft No Yes
Markitup Home, demo Markup editor, no syntax highlight Free Yes Some
LDT Home regular textarea Free Yes Some
Ymacs Home, demo Emacs Free Yes Some
CodePress Home Microsoft Visual Studio Free Yes No
CodeTextArea Home, demo Microsoft Visual Studio Free Yes No
EditArea Home, demo Microsoft Visual Studio Free Yes No

text: Comparison of JavaScript-based source code editors
Overview
List of source code editors
Editor Site Style_clone_of Cost_US_ Open_source Activity
Helene Home [ dead link ] , demo [ dead link ] Microsoft Visual Studio Free Yes No
9ne Home Emacs Free Yes No
jsvi Home vi Free Yes No
MDK-Editor Home Microsoft Visual Studio Depends on use Code is readable No

Question: Which source among the comparison of JavaScript-based source code editors has a free and an activity by some and an editor by markitup?