PHP Shell is a shell wrapped in a PHP script. It's a tool you can use to execute arbiritary shell-commands or browse the filesystem on your remote Web server. This replaces, to a degree, a normal telnet-connection. You can use it for administration and maintenance of your Web site using commands like ps, free, du, df, and more.
phpRemoteShell is an all-in-one Web application to manage servers remotely. It contains a full-featured file manager, the ability to execute shell commands or code written for PHP, SQL, or LDAP, a crontab manager, and a zombie manager. It can also host itself into existing files and auto-deploy during their execution. In case it has been previously encrypted, it is able to self-decrypt on the fly.
PHPsh allows you to have shell commands run on your behalf by Web servers that serve PHP pages, and solves these issues and more. It is a simplified version of the shell that allows you to execute arbitrary commands remotely through PHP. It is a handy way to run simple commands and maintain a history of executed commands, and a helpful environment that allows you to browse the filesystem and fetch or upload files.
FSGuide is a Norton Commander clone used by many hosting firms and individuals for advanced file management through the Web. It features user management (password protection, and access control), advanced file selection dialogs, a multiple file uploader (which can also run any application after uploading), a text viewer, a binary file viewer, a source highlighting viewer, an internal text and binary editor, language support, and much more.