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The latest News and Information on Application Performance Monitoring and related technologies.

Top 13 Open Source APM Tools [2025 Guide]

Choosing the right APM tool is critical. How do you know which is the right one for you? Here are the top 13 open-source application performance monitoring(APM) tools that can solve your monitoring needs. Open-source APM tools have added benefits over their SaaS counterparts. They are more transparent, as you can verify their source code, and you can use them without going through the pains of obtaining approvals usually required for using a third-party vendor tool.

Top 15 Distributed Tracing Tools for Microservices in 2025

In one of our previous blogs, we discussed distributed tracing in depth. We examined why distributed tracing is critical and its components - spans and trace context. You can check the complete guide here: What is Distributed Tracing and How to Implement it with Open Source? Here, we'll look at some of the best distributed tracing tools. We'll see what each of them offers so that you can choose the right tool for your monitoring and observability requirements.

Mastering NodeJS Performance Monitoring - A Practical Guide using Open Source Tools

Node.js powers some of the fastest-growing web applications, but its single-threaded nature makes it vulnerable to memory leaks and CPU spikes. To keep your app running smoothly, especially in production, you need more than just web server logs — you need complete visibility across the entire stack.

How to Collect .NET Application Logs with OpenTelemetry

Observability is essential for maintaining and scaling modern applications. With.NET 8, Microsoft has enhanced support for observability using OpenTelemetry. In this post, we explore how to monitor.NET 8 applications logs with SigNoz, an open-source observability platform, using the OpenTelemetry Protocol (OTLP) exporter.

Monitoring ECS Metrics: A Guide for Developers and Operations Teams

For anyone leveraging cloud computing, Amazon Elastic Container Service (ECS) continues to provide a seamless solution for managing containerized applications. AWS Fargate takes this cloud-native architecture a step further by allowing you to run containers without servers or clusters. As a serverless offering for ECS, Fargate provisions compute capacity and scales it based on demand.
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Smarter alerts using P75 for more signal and less noise

We've rolled out a new feature in Raygun Alerting that gives you more control over how you track and respond to performance regressions. Starting today, you can now use the 75th percentile (P75) as a filter option for page performance data in Real User Monitoring, such as Core Web Vitals and page load time, right alongside the default 'Average'. This option is available under the "Page/XHR performance change" condition and supports all the Web Vitals metrics we track: Let's break down why this matters, when you should use P75, and how it gives you better, faster insights into how real users are experiencing your site or app.

Java License Monitoring - Why you need to monitor your Java licenses and how to do so

Java license monitoring has now become an essential requirement for many organizations as Oracle’s recent licensing changes have made compliance mandatory, with increased risks of audits and higher Java licensing compliance costs. Once a free programming platform, Java now requires navigating a complex licensing framework, including employee-based models that tie costs to the size of a workforce. These changes significantly increase the risk of unbudgeted expenses for licensing violations.

Monitoring Backstage with OpenTelemetry:Closing the observability blind spot

‘One small step for a man, but a huge leap for developers’ — me, when I realised how to observe my Backstage with OpenTelemetry. Backstage is often the “portal” through which we manage all our other systems, but who watches the watcher? Recently, we gave a KubeCon Talk, highlighting that monitoring Backstage itself is critical. When Backstage isn’t observable, it becomes a blind spot in your infrastructure.

E-Commerce Micro-Friction: The Conversion Killer You're Not Measuring (...But Should Be)

Friction density (the number of stacked micro-frictions in a single session) is the predictor of abandonment we don’t talk about enough. And guess what? It beats any single UX metric by 2× when it comes to predicting lost sales.

SigNoz Community Edition now available with SSO (Google OAuth) and API Keys

One of the biggest asks from our open-source community has been to open-source our SSO support, which was part of our enterprise offering. Today, we’re thrilled to announce that support for SSO with Google OAuth is now part of our latest release. Latest version: v0.85.0 Not only that, we've also shipped another highly anticipated feature for our Community Edition: API Keys for comprehensive programmatic access to SigNoz.