SIGNL4 Alternatives

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.

Instead of just showing you the stack trace, Crashlytics performs deep analysis of each and every thread. We de-prioritize lines that don't matter while highlighting the interesting ones. This makes reading stack traces easier, faster, and far more useful! Crashlytics' intelligent grouping can take 50,000 crashes, distill them down to 20 unique issues, and then tell you which 3 are the most important to fix.

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.

Instabug is a platform for Real-Time Contextual Insights that completely takes care of your bug reporting and user feedback process; to accelerate your workflow and allow you to release with confidence.

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.

BugHerd embeds directly into a website so bugs are flagged and managed visually without the need to fill out lengthy forms. BugHerd also lets your client and stakeholders log bugs visually right from within your website or web application. They never have to switch into another app, and it’s easier and faster than sending an email.

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

Crittercism, based in San Francisco, California, is the world’s first mobile application performance management (APM) solution. The company’s products monitor every aspect of mobile app performance, allowing Developers and IT Operations to deliver high performing, highly reliable, highly available mobile apps. Crittercism provides a real-time global view of app diagnostics and crashes across iOS, Android, Windows Phone 8, Hybrid and HTML5 apps and is used on more than 800 million unique devices and in more than 250 billion app sessions. The company’s investors include Google Ventures, Opus Capital and Shasta Ventures.

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.

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.

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

BugMuncher is the best way for users to give feedback and bug reports on your website. Users can highlight and black out areas of your site, then BugMuncher will create a screen shot and send it directly to you.

Bug and crash reporting tool for mobile apps that helps users to report issues easier and enables developers to solve them faster. Supports iOS, Android, Flutter, and React Native.

It allows you to receive feedback from your beta testers or real users and improve the quality of your application in a simple way. Here users just need to shake their mobile and all the data regarding bugs & crashes can be seen by developers through their log in panel.

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 helps developers build the best software faster. It is your affordable in-app bug reporting tool for apps, websites and industrial applications.

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

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 is a ready-to-use platform for debugging local or remote web projects, offering a private deployment solution using Docker image / NPM package.

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.

It makes beta testing very simple by allowing testers to report issues directly from the app, in less than 5 seconds.

The awesomest way to report bugs & collect feedback It allows users to mention bugs in most interactive way

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.