Live Edit
https://wordpress.org/plugins/live-edit/
Version： 2.1.2
Requires: 3.0 or higher
Compatible up to: 3.4.2
Last Updated: 2014-8-13
参考
http://web-taiyo.com/wordpress-plugin/140328.html
有名どころはこちら
https://wordpress.org/plugins/front-end-editor/
http://scribu.net/wordpress/front-end-editor/
参考
http://www.webcreatorbox.com/tech/wordpress-plugin-front-end-editor/
http://yahss.net/wordpress/145-145/