Here is an overview table:
| Editor | License | Pro/Con |
|---|---|---|
| YUI RTE | BSD | Pro: works with all well-known browsers ( IE / Gecko / Opera / Safari / Konquerer ); Con: Still in Beta (although the final release version should be out soon). |
| Xinha | HTMLArea (BSD based) | |
| RTE | Creative Commons | |
| RTEF | MIT | Pro: works with all well-known browsers ( IE / Gecko / Opera / Safari / Konquerer ); Con: no user-feedback e.g. which font or size is currently used. |
| WYMEditor | MIT/GPL | Pro: produces XHTML, uses CSS; Con: currently only available for IE and Gecko. |
| dojo | BSD | |
| TinyMCE | LGPL | |
| FCKEdit | GPL, LGPL and MPL | |
| Solmetra | GPL | |
| FreeRTE | Creative Commons | |
| CMSimple | AGPL | |
| XStandard lite | Freeware | |
| Loki | GPL | |
| Whizzywig |
| command | Mozilla | IE | Opera | Safari |
|---|---|---|---|---|
| Bold | x | x | x | x |
| Italic | x | x | x | x |
| Underline | x | x | x | x |
| Strikethrough | x | x | x | x |
| Color | ||||
| BackColor | x | x | x | x |
| ForeColor | x | x | x | x |
| HiliteColor | x | x | ||
| Font Handling | ||||
| FontName | x | x | x | x |
| FontSize | x | x | x | x |
| IncreaseFontSize | x | x | ||
| DecreaseFontSize | x | x | ||
| Subscript | x | x | x | x |
| Superscript | x | x | x | x |
| Formatting and CSS | ||||
| ContentReadOnly | x | x | ||
| StyleWidthCSS | x | |||
| UseCSS | x | x | ||
| RemoveFormat | x | x | x | x |
| User actions | ||||
| Copy | x | x | x | |
| Paste | x | x | x | |
| Cut | x | x | x | x |
| Delete | x | x | x | x |
| Undo | x | x | x | |
| Redo | x | x | x | |
| x | x | |||
| SaveAs | x | |||
| Alignment | ||||
| JustifyLeft | x | x | x | x |
| JustifyCenter | x | x | x | x |
| JustifyRight | x | x | x | x |
| JustifyFull | x | x | x | |
| Indent | x | x | x | |
| Outdent | x | x | x | |
| Hyperlinks | ||||
| CreateLink | x | x | x | x |
| Unlink | x | x | x | x |
| Lists | ||||
| InsertOrderedList | x | x | x | x |
| InsertUnorderedList | x | x | x | x |
| Basic (formatting) elements | ||||
| FormatBlock | x | x | x | x |
| Heading | x | |||
| InsertParagraph | x | x | x | x |
| InsertImage | x | x | x | x |
| InsertButton | x | |||
| InsertFieldset | x | |||
| InsertHorizontalRule | x | x | x | |
| InsertHTML | x | x | x | |
| InsertIFrame | x | |||
| Form elements | ||||
| InsertInputButton | x | |||
| InsertInputCheckbox | x | |||
| InsertInputFileUpload | x | |||
| InsertInputHidden | x | |||
| InsertInputImage | x | |||
| InsertInputPassword | x | |||
| InsertInputRadio | x | |||
| InsertInputReset | x | |||
| InsertInputSubmit | x | |||
| InsertInputText | x | |||
| InsertSelectDropdown | x | |||
| InsertSelectListbox | x | |||
| InsertTextArea | x | |||
| InsertMarquee | x | |||
| Bookmarking | ||||
| CreateBookmark | x | |||
| UnBookmark | x | |||
| Selection and status handling | ||||
| SelectAll | x | x | x | x |
| Unselect | x | x | x | |
| MultipleSelection | x | |||
| Overwrite | x | |||
| Refresh | x | |||
| Misc | ||||
| 2D-Position | x | |||
| AbsolutePosition | x | |||
| LiveResize | x | |||
| gethtml | x | |||
| contentReadOnly | x | |||
| insertBrOnReturn | x | |||
| enableObjectResizing | x | |||
| enableInlineTableEditing | x |