PageSpy

Sentry’s Application Monitoring platform helps developers see performance issues, fix errors faster, and optimize their code health.

Production error monitoring and reporting for web applications. TrackJS provides deep insights into real user errors. See the user, network, and application events that tell the story of an error so you can actually fix them.

Rollbar is the leading continuous code improvement platform that proactively discovers, predicts, and remediates errors with real-time AI-assisted workflows. With Rollbar, developers continually improve their code and constantly innovate ra

Bugsnag captures errors from your web, mobile and back-end applications, providing instant visibility into user impact. Diagnostic data and tools are included to help your team prioritize, debug and fix exceptions fast.

Airbrake collects errors for your applications in all major languages and frameworks. We alert you to new errors and give you critical context, trends and details needed to find and fix errors fast.

Honeybadger does more than report errors, it helps you work with your team to fix them. Errors can be assigned. You can comment via email. And a fine-grained permissions system means you control who has access to each specific project.

Raygun gives you a window into how users are really experiencing your software applications. Detect, diagnose and resolve issues that are affecting end users with greater speed and accuracy.

Opbeat is application monitoring for developers, and gives you performance metrics, error logging, release tracking and workflow in one smart product.

Errbit is a tool for collecting and managing errors from other applications. It is Airbrake (formerly known as Hoptoad) API compliant, so if you are already using Airbrake, you can just point the airbrake gem to your Errbit server.

Retrieves knowledge of the internals of the Android Framework gives it a unique ability to narrow down the cause of each leak, helping developers dramatically reduce OutOfMemoryError crashes.

It is the first debugging platform built for enterprise-grade software. It improves system availability, software quality and team efficiency by bringing automation to incident detection, response and resolution. The debugging platform automatically snapshots faulting applications and their surrounding environments then, analyzes and archives them in a centralized object store so bugs don't get missed and get fixed faster.

OverOps maps the DNA of code as it’s executing in pre-prod and production to Identify all issues and anomalies, and deliver True Root Cause to the right person, without relying on logs.

Epsagon enables teams to instantly visualize, understand and optimize their microservice architectures. With our unique lightweight auto-instrumentation, gaps in data and manual work associated with other APM solutions are eliminated, provi

Errorception is a simple and painless way to find out about JavaScript errors, as they occur in your users' browsers. All you need to do is insert a script tag on your page, and you will start recording errors as they happen in real-time.

An application security tool built for developers. Automated security bug scanning for the entire dev pipeline. Find, Triage, and Fix.

Cloud logging for .NET web applications using ELMAH. Find bugs before you go live. Powerful search, API, integration with Slack, GitHub, Visual Studio and more

It is an open-source reimplementation of the Sentry error tracking platform. It collects errors reported by your app and puts them all in one place for you to see. It can use Sentry's open source SDKs to receive error data from your application.

App Enlight provides a helpful interface to let you and your team save time spent on debugging and reproducing exceptions and performance issues from a production environment.

It is an automated concurrent testing tool for Visual Studio. It intelligently runs automated tests so that you don't have to, while giving you amazingly useful information about your tested code, such as code coverage and performance metrics, inline in your IDE while you type.

Real-time exception reporting for ASP.NET, Web API, WebForms, WPF, Console, and MVC applications. Includes event organization, notifications, and more.

Get the insights you need on how your IT services perform in production. Track errors with all the details you need to fix issues and get detailed user analytics, privacy-focused and all in one place.

Exceptiontrap is the simple and powerful error tracking and exception monitoring service for Ruby on Rails and PHP.

Automated error monitoring. Built around e-commerce KPIs.

It is a real-time application monitoring and automated exception reporting so you can analyze and improve your apps and deliver rock-solid solutions that behave as expected across all usage scenarios. Includes clients for JavaScript, ASP.NET, .NET Core, Node.js, WinForms, WPF, Delphi, Java, Android, Xamarin, and PHP applications.

It replays live web traffic on new frontend code to automatically detect new bugs, without causing any side effects.

It is a Python library that sends exceptions/errors generated by your application to your Datadog account. The exceptions together with their stacktraces are then rendered beatifully with proper syntax highlighting preserved. You can search for exceptions in Datadog using the tags that you had set or via full text search.

Errsole is a free open-source logger for Node.js applications. It comes with a built-in log viewer to view, filter, and search your application logs.