Dejal Simon is the essential site monitoring tool for Mac OS X. It checks web pages, FTP and DNS servers, local or remote ports, and other services for changes or failures, and notifies you via e-mail, sound, speech, Twitter, HTML reports, and other means.

Add tests to Simon to track updated sites, to alert you when an important server goes down or recovers, check on Samba SMB, take periodic screenshots of the system, track posts and new comments on your or friends' blogs, check for web mail, more...

Dejal Simon is the essential site monitoring tool for Mac OS X. It checks web pages, FTP and DNS servers, local or remote ports, and other services for changes or failures, and notifies you via e-mail, sound, speech, Twitter, HTML reports, and other means.

Add tests to Simon to track updated sites, to alert you when an important server goes down or recovers, check on Samba SMB, take periodic screenshots of the system, track posts and new comments on your or friends' blogs, check for web mail, make sure a key application is running, get notifications of updates to favorite news and entertainment websites, keep an eye on auctions, and many other uses.

Services include Web (HTTP) to check web pages (including secure ones, and supporting POST and cookies), FTP files and directory listings, DNS, Ping servers, see Twitter updates, watch a local Application, capture periodic Screenshots, watch for System Log Errors, and more. Plus, you can easily add your own services via custom port connections, AppleScripts, shell scripts, or Perl, PHP, Python, etc.

Receive notification of changes, failures, and/or recoveries via various Actions, auto-generated E-mail messages (including to your pager or cellphone), Growl notifications, Twitter updates or direct messages, iCal or Google Calendar events, an audible Sound, or customizable Speech.

HTML reports allow remote viewing of a summary and/or details of Simon monitoring. Reports can be saved to a local web server, or uploaded remotely. Customizable templates (with several examples provided) allow embedding in a web page, using a compact format suitable for viewing on PDAs and cellphones, creating a RSS feed, and more.