Top Server Monitoring Apps

Freshping is an uptime monitoring and status pages tool. You can monitor 50 URLs at 1-minute intervals and get alerts via email, Slack, or SMS when it is down. You'll also get 5 public status pages, multi-user logins (up to 30 users), global latency, and Apdex reporting.

In an always-on world, teams trust PagerDuty to help them deliver a perfect digital experience to their customers, every time. PagerDuty is the central nervous system for a company's digital operations. PagerDuty identifies issues and opportunities in real time and brings together the right people to respond to problems faster and prevent them in the future. From digital disruptors to Fortune 500 companies, over 12,000 businesses rely on PagerDuty to help them continually improve their digital operations-so their teams can spend less time reacting to incidents and more time building for the future.

Freshservice is an online, cloud-based IT Helpdesk which is ITIL ready.

OpsGenie extends IT Operations Management to mobile devices. OpsGenie gets alerts from IT management systems and notify the users via iPhone/Android push notifications, email, text messages and voice to text phone calls. OpsGenie automates the notification process, empowering users to receive alert notifications and rapidly respond to them directly from OpsGenie apps.

StatusCake checks your website for uptime and performance

New Relic provides SaaS Application Performance Management for Ruby, PHP, .Net, Java, Python, Node.js, Android, and iOS Apps.

Pingdom website monitoring reports the uptime, downtime and performance of your website, network and server and alerts you of errors.

updown.io is an online service that checks your website's status by periodically sending an HTTP request. It then notifies you by Slack, Telegram, email or SMS when your website is not responding correctly, your SSL certificate is invalid or about to expire, and more.

Amazon CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS.

Datadog is a service for IT, Operations and Development teams who write and run applications at scale, and want to turn the massive amounts of data produced by their apps, tools and services into actionable insight.