[Acme] No [AkelPad] No [Alphatk] No [Aquamacs] Yes [BBEdit] No [Bluefish] Yes [Brackets] No [Coda] Yes [ConTEXT] No [Crimson Editor] No [Diakonos] No [E Text Editor] Yes [ed] No [EditPlus] No [Editra] ? [EmEditor] No [Geany] ? [gedit] Plug-in [GNU Emacs] Yes [Gobby] Yes [JED] No [jEdit] No [JOE] No [JOVE] No [Kate] No [KEDIT] No [Komodo Edit] No [Komodo IDE] Yes [KWrite] No [LE] No[85] [Light Table] No [Metapad] No [mined] ? [EDIT (MS-DOS)] No [EDIT (DR-DOS)] No [Nano] No [37] Collaborative editing [NEdit] No [Notepad] No [Notepad++] with plug-in [Notepad2] No [NoteTab] ? [nvi] ? [Peppermint] No [Pico] No [PolyEdit] No [Programmer's Notepad] No [PSPad] No [Q10] ? [RJ TextEd] No [RText] No [SciTE] No [skEdit] Yes[93] [SlickEdit] No [Smultron] ? [Source Insight] No [SubEthaEdit] Yes [TED Notepad] No [TextEdit] No [TextMate] No [TextPad] No [TextWrangler] No [The SemWare Editor] Yes Only in special DOS multi-user version [UltraEdit] No [VEDIT] No [vi] No [Vim] with plug-in [XEmacs] Yes [69] Collaborative editing [0] 
Collaborative editing