Alternatives to CKEditor for WSYIWYG text area editor [closed]

I just found:

http://redactorjs.com/

http://aloha-editor.org/

https://github.com/xing/wysihtml5

http://jhollingworth.github.com/bootstrap-wysihtml5/

Update (this one is pretty great and customizable):
https://github.com/guardian/scribe