1. See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.

  2. Track, record, alert and visualize performance and availability of IT resources

  3. Rollbar collects errors that happen in your application, notifies you, and analyzes them so you can debug and fix them. Ruby, Python, PHP, Node.js, JavaScript, and Flash libraries available.

  4. Open-source error tracking that helps developers monitor and fix crashes in real time. Iterate continuously. Boost workflow efficiency. Improve user experience.

  5. The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.

  6. LogicMonitor is the SaaS performance monitoring platform for the world's best IT teams. Deploy Fast, Monitor More, Improve Ops.

  7. Detect and diagnose crashes in your applications. Bugsnag's cross platform error monitoring helps you ship with confidence.

    freemium

  8. Privacy tool for transparency and control

  9. Advanced network monitoring for on-premises, hybrid, and cloud. Download a FREE 30-day trial of SolarWinds Network Performance Monitor (NPM) today!

  10. New Relic is a Software Analytics company that makes sense of billions of metrics across millions of apps. We help the people who build modern software understand the stories their data is trying to tell them.

  11. Site24x7 offers both free & paid website monitoring services. Monitor websites remotely and receive instant email/sms alerts if your website becomes unavailable. View uptime & performance graphs of your website monitors.

  12. Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.