Cloudkick is described as 'leading infrastructure management tool for the web-based IT era, built by system administrators to help meet all the demands and needs of managing infrastructure'. There are more than 25 alternatives to Cloudkick, not only websites but also apps for a variety of platforms, including SaaS, Linux, Mac and Windows. The best alternative is Datadog. It's not free, so if you're looking for a free alternative, you could try Freshping or New Relic. Other great sites and apps similar to Cloudkick are Pingdom (Paid), Pingbreak (Free), Curler by Amixr.IO (Free) and Up Ninja (Paid).
IQLECT is the creator of Ampere, a real-time big data analytics platform. Various apps for data center infrastructure monitoring, clickstream analysis, log analysis and others can be deployed on the platform.
AgentSlug.com is simple but perspective application to monitor your website. For now, you can find there a full featured uptime monitoring tool. However, the app is developed constantly to provide complementary webmaster tools in the nearest future.
Monitor your website, server, API, application, service and get notified if your resources have some problems with availability. Upzilla notifies you in Slack, Telegram, Messenger, or by email. Works also as a public status page with subscriptions.
LiveMon is a cloud-based monitoring software designed for IT teams, Dev-ops, CIOs, and Infrastructure & Application Directors. The Artificial Intelligence detects incoming IT performance incidents before they actually harm your business services.
UptimePal offers an affordable website monitoring service. For only $1/month per URL, you get 1-minute uptime monitoring, alerting software, & performance test tools - all from a robust worldwide monitoring network.