• Montastic
  The free website monitoring server that doesn't suck.
  in computers with computers free monitoring server suck website by 2 users
• Montastic: the free website monitoring service
  The free website monitoring service that doesn't suck. Montastic sends you an email each time your server goes down. Server statuses are also available by RSS and widget.
  The website monitoring service that doesn't suck. Receive instant notification when your website goes down. Site status is available via email, web, RSS feeds and widgets.
  availability free monitoring remote server service site tools uptime web website
  in Public bookmarks with email free monitoring montastic sends service suck website by 13 users
• Nagios: Home
  Nagios is an enterprise-class monitoring solutions for hosts, services, and networks released under an Open Source license.
  in linux with enterprise-class hosts linux monitoring nagios networks services solutions by 15 users

monitoring from all users