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Life & fun · February 6, 2013

LB

LeanSentry - Better Monitoring for Windows Server Apps

Built by ex-Microsoft engineers to help you understand, troubleshoot, and improve your IIS applications. Troubleshoot faster; Incredibly lightweight; Deploys in 2 minutes.

LeanSentry - Better Monitoring for Windows Server Apps launched on February 6, 2013 with 41 votes, #41 of 551 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 13 years on.

Visit leansentry.com ↗Alternativestop 7% of February 2013

In plain words

LeanSentry is a monitoring tool for Windows Server IIS applications designed by former Microsoft engineers. It diagnoses performance issues including application hangs, high CPU usage, crashes, and memory leaks without injecting agents into running processes. The tool deploys in two minutes and uses external monitoring through IIS logs, performance counters, WMI, and ETW tracing to provide code-level diagnostics while maintaining minimal overhead on applications.

written from the facts on this page · September 2026

From the sources

Struggling with IIS and .NET performance issues ? Diagnose them correctly with a lightweight diagnostic service that really gets your applications. Built and backed by engineers that created the Microsoft web platform. LeanSentry uses external, low-overhead monitoring based on IIS log files , performance counters , WMI , and ETW tracing . Unlike an APM tool , we do not attach any profilers or inject agents into your process that can crash or slow down your apps. LeanSentry automatically detects hangs , high CPU usage , or memory leaks - and performs deeper diagnostics to get you code-level details. These diagnostics typically last seconds, and give you the details you need at the right…from leansentry.com

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