TotalW
TotalW is a two panel file manager written in PHP. It is ajaxed. TotalW can download file from internet or upload file from your computer. You can mail files on remote server or download them to computer. It can zip files(.tar.gz) or unzip them. TotalW can also view or edit files. It has favorite folders(bookmarks), customisable view (name, size, time, owner, group, permissions), keyboard navigation. TotalW has ftp support.