Rails Performance is described as 'Free and opensource tool for monitoring Ruby on Rails application without sending data to 3rd party services. Instead, it's using Redis' and is an website in the Development category. There are four alternatives to Rails Performance, not only websites but also apps for Self-Hosted solutions, Windows, Linux and Mac. The best alternative is Datadog. It's not free, so if you're looking for a free alternative, you could try New Relic or SigNoz.
Datadog is a monitoring service for IT, Dev & Ops teams who write and run applications at scale, and want to turn the massive amounts of data produced by their apps, tools and services into a unified view of IT infrastructure. 120+ Integrations!.
Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring. Free accounts can ping a website every 1 minute, from multiple locations around the globe, and send email alerts.
Understand issues in your deployed applications & solve them quickly. Your data in your boundary No need to worry about GDPR and other data protection laws. All your tracing and monitoring data is now in YOUR infra. Forget HUGE SaaS bills