Sentry’s real-time error tracking gives you insight into production deployments and information to reproduce and fix crashes—before your users contact you.



AppSignal is described as 'Monitoring for Ruby & Elixir developers. All the metrics and alerts you need to keep your app running smooth. Support for Rails, Rack, Sinatra, Padrino & Grape' and is a website monitoring tool in the network & admin category. There are more than 50 alternatives to AppSignal for a variety of platforms, including Web-based, Windows, Linux, SaaS and Mac apps. The best AppSignal alternative is Sentry, which is free. Other great apps like AppSignal are Datadog, Better Stack Telemetry, Bugsink and Honeybadger.
Sentry’s real-time error tracking gives you insight into production deployments and information to reproduce and fix crashes—before your users contact you.



Monitor and visualize your IT and DevOps environments seamlessly with over 120 integrations, enabling real-time insight across on-premise and cloud deployments. Utilize robust analytics, graphing, and correlation tools for error logging and network monitoring. Improve collaboration and proactive IT management.




Transform your stack's logs into structured data with real-time processing of up to 1 billion logs per second. Enjoy fast search with SQL support, customizable retention, alerts for anomalies, and collaborative dashboards to streamline debugging and incident resolution.




Bugsink is a lightweight, self-hosted error tracking solution designed for privacy-conscious environments and teams seeking a resource-efficient alternative to traditional SaaS tools. It provides real-time error notifications, detailed stack traces, and automatic grouping of...



Honeybadger is an application health monitoring tool built by developers for developers. It's everything you need to keep production happy—and nothing you don't.




Bugfender is a log storage service for application developers. Bugfender collects everything happening in the application, even if it doesn’t crash, in order to reproduce and resolve bugs more effectively and provide better customer support.




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.




Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.

Stackify offers the only developers-friendly cloud based solution that fully integrates application performance management (APM) with error tracking and log management.




Providing real time diagnostics & insights to the fingertips of hundreds of thousands of developers daily.



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



Agentless IT monitoring built to scale - NetCrunch offers a powerful, policy-driven platform for real-time visibility across your entire infrastructure system.



