ShiftEdit is a new and very interesting web-based IDE built around ExtJS and Bespin Embedded. ShiftEdit provides the basic PHP support, HTML/ CSS/ JS, in addition to Syntax highlighting, Integrated FTP/ SFTP, Tabs, Find/Replace, Revision history + it’s free ! The Philosophy behind the project according to its founder, Adam Jimenez :
shiftedit

“The web-based IDE is one of the final frontiers of apps ported to the web. I would like to be able to develop from any computer or operating system and have the same experience without having to install software or create site definitions.”

An interesting project that will never replace your desktop IDE, however you’ll find it very useful to work online from your browser, update or fix code on the fly. More information at http://edit.shiftcreate.com.