Monitority
Monitority is a free & reliable website monitoring service that enables users to track unlimited services (websites, urls or ip addresses etc.) and receive alerts (via email, text-sms, tweet) when these services are not responding. Registered users can monitor as many services as they want and get alerts including worldwide free text-sms messages. Members can access Monitority via website interface or mobile app (iOS & Android). Signing up requires giving Monitority access to manage your Google contacts. Monitoring frequency is once per minute.
