This is a plugin that provides for FCKeditor and CKEditor a way to access the Firefox spellchecker thanks to the WriteArea extension.
If you still haven't installed the extension, you can see how it does integrate the spellchecker into the context menu in this screenshot:
Alfonso Martínez de Lizarrondo
You can see it at work in the following editor:
Important: you need to be using Firefox, and have the WriteArea extension installed and enabled.
If you find this plugin useful, consider making a donation so it can be further improved, any amount can help to keep the development running.
If you need some special feature for this plugin, or if you need any other kind of plugin for FCKeditor then contact me and we can discuss it
Check other plugins that I've created for FCKeditor
FCKeditor is © FredCK.com
CKEditor is © CKSource.com
Firefox is © Mozilla Foundation