FCKeditor is lightweight and doesn't require any kind of installation on the client computer.
FCKeditor is compatible with most Internet browsers which include: IE 5.5+ (Windows), Firefox 1.0+, Mozilla 1.3+ and Netscape 7+.
On the server side, FCKeditor offers a complete integration pack for:
FCKeditor is not available for Windows Portable (click here to submit it!)
FCKeditor is not available for Handheld
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