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Datadog is a monitoring service for IT, Dev & Ops 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 a unified view of IT infrastructure. Datadog's capabilities are provided on a SaaS-based data analytics platform that enables multiple teams to work collaboratively on infrastructure issues.

Monitis is a Cloud monitoring and IT analytics service offering Website Monitoring, Server Monitoring, Network Monitoring, Application Monitoring, Cloud Monitoring, and Custom Monitoring.

RapidSpike is an uptime and performance monitoring service for websites and web applications. It simplifies monitoring, alerting and reporting to support your online presence and to ensure a positive user experience. Organisations use it to identify problems, measure performance and improve capacity planning.

Dynatrace Ruxit provides all-in-one monitoring and operations management for DevOps teams working in startups, mid-sized companies, and large organizations. Using proprietary artificial intelligence technology, Ruxit enables companies to manage thousands of servers using a simple interface.

OpsDash is a server monitoring, service monitoring, database monitoring, app metric monitoring and uptime monitoring solution for monitoring MySQL, PostgreSQL, MongoDB, Docker, Memcache, Redis, Apache, Nginx, Elasticsearch and more. It provides intelligent, customizable dashboards and rule-based alerting and notification via email, HipChat, Slack, OpsGenie, PagerDuty VictorOps, and Webhooks. Send in your custom metrics with StatsD and Graphite interfaces built into each agent.

FREE online web application that allows you to monitor your server/website: response times, availability, website statistics. Very easy in use even for non-technical people.

Cloud Decision Engine's purpose is to help your making your way through the jungle of Cloud Computing services and offers.