You need at least the following things for the webserver:

• Apache 1 or 2
• PHP 4.4 or heigher
• GD library
• Socket for check-update and upload from url
• Safe Mode OFF
• exec() function
• shell_exec() function
• bash commands: `cp` - `rm` - `mv` - `stat` - `find`
• GNU/Linux Operating System (maybe is good all *nix system)

• Mozilla/Firefox
• IE-7
• Opera-9
• Konqueror
• Safary (Tested on windows XP)
• Others but not tested
• JavaScript enable
• Cookies enable (for a secure session)

• Server Requirements
  

  * Operating System GNU/Linux
  * PHP version >= 4.4.1 with SAFE_MODE=OFF
  * PHP shell_exec() function
  * PHP system() function
  * PHP exec() function
  

• Client Requirements
  

  * Web browser (see the supported browsers in the feature list)
  * JavaScript support enabled
  * Cookies support enabled for a secure session