This is a list of applications, plugins, and services which feature Prowl support. Got a new one?

Cross-platform/Web

• 2Prowl sends notifications straight from Safari on Mac or Windows.
• Prowl the Chrome Extension sends notifications straight from Google Chrome.
• Send2Prowl blasts from Firefox to Prowl, whichever operating system you use.
• Prowlmail is the official service to forward emails as a push notification.
• iOS releases alerted via a Prowl notification when they occur, with links to download the firmware files.

Mac

• Growl with the official plugin.
  (Setup instructions)
• Prowler is a Dashboard widget for easy sending.
• Prowlmenu sits in your menu bar, allowing you to easily send your clipboard.

Windows

• Growl for Windows allows you to forward all of your Growl events.
  (Setup instructions)
• Snarl, like GfW, forwards Snarl events.
  (Quick instructions: Styles > Prowl, set Prowl as default style)

Scripts/Modules

These are more advanced uses of the Prowl API which require some command-line experience.

• FindTheProblems monitors your website and alerts you if anything goes awry.
• Autonote alerts you when delivery status changes happen, and a number of other things.
• The Drupal Prowl module uses ProwlPHP to send notifications from Drupal.
• ejabberd module allows you to proxy messages on events.
• GoogleVoiceNotify polls the Google Voice servers to give you notifications.
• GProwl uses IMAP IDLE to instantly inform you of new Gmail email.
• irssi-prowl by Henrik Brix Andersen provides a lot of Irssi customizability.
• Irssi plugin which lets Irssi notify you for events.
• mIRC script to add a command which can be used to alert.
• sBNC and psyBNC scripts, and how they tie in with the IRC client called Rooms.
• ShroudBNC script support to alert you on private messages and mentions.
• Skype2Prowl is a script for directing your Skype notifications.
• WHMCS plugin sends alerts to you and your employees.
• WP-Prowl is a Wordpress plugin to alert you when things happen to your blog.
• XMPP bots which monitor your XMPP accounts, or your Gmail account, and notify you on events such as new mail.
• ZNC support for alerting on events such as connections and mentions.
• TYPO3 plugin which provides a front-end, a service, and hooks to send notifications.