Best New Relic Browser Alternatives & Competitors in 2025

Perf is a simple app monitoring solution paired with meaningful alerts.

Key perf features:

Comprehensive Performance Analysis Wide Range of Features Kernel Support Flexible Configuration

Open Source

Loado is an easy-to-use monitoring tool for websites that helps developers, products, and marketers to improve user conversions and optimize SEO strategies.

Key Loado features:

Real User Monitoring Audience Analytics Notifications Geo-related Analytics

freemium $10.0 / Monthly (10,000 Page Views)

Powerful SaaS integration toolkit for SaaS developers - create, amplify, manage and publish native integrations from within your app with Cyclr's flexible Embedded iPaaS. .

Key Cyclr features:

Pre-built Connectors Embedded Integration Marketplace Low Code Integration Builder SOC 2 Type 2 Accreditation

Try for free paid Free Trial

The easy way to track your Core Web Vitals and boost website performance. .

Key Request Metrics features:

Real User Monitoring Automatic Performance Testing Core Web Vitals Alerting

freemium $49.0 / Monthly (per Website)

GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.

Key GTmetrix features:

Comprehensive Performance Metrics Waterfall Chart Global Test Locations Integration with Third-Party Tools

Watchman Monitor is a powerful and easy-to-use, system monitoring & reporting tool.

With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial. .

Key Pingdom features:

Real-time Monitoring Detailed Reporting Ease of Use Global Network

paid Free Trial $164.45 / Annually (Starter)

ltrace intercepts and records dynamic library calls which are called by an executed process and the...

Key ltrace features:

Function Call Tracing Dynamic Library Tracking Compatibility

Modernize core applications in just days without changing existing code.

Trace system calls and signals. A diagnostic, debugging and instructional userspace utility.

Key strace features:

Comprehensive System Call Tracing Ease of Use Real-Time Monitoring Broad Platform Support

Open source material design music player.

Key Timber features:

Open Source Customization Material Design Feature-rich

Continuous Updates - Based on your configured schedule, deppbot will run bundle update on your Ruby app and send the result as a Pull Request to GitHub. .

Immunity Debugger is a powerful new way to write exploits, analyze malware, and reverse engineer...

Key Immunity Debugger features:

Comprehensive Debugging Features Scripting Support User-Friendly Interface Third-Party Plugin Integration

Monitor your cron jobs and scheduled tasks, get notified when they fail.

Key Healthchecks.io features:

Free plan Non-profit discount Open-source API

Open Source freemium $20.0 / Monthly (100 checks, 10 team members)