cat

The premium Open Source alternative to New Relic

🎯 Best for:Large-scale enterprises requiring distributed application performance monitoring.
Visit WebsiteCompare with New Relic
19.0k
Stars
Apache-2.0License

What is cat?

Replaces proprietary APM solutions like New Relic for large-scale distributed systems. Provides real-time transaction tracking and health status across Java, C++, and Go environments.

Tech Stack
JavaMonitoring & Logs

Why cat?

  • High throughput processing
  • Multi-language client support
  • Deep middleware integration

Limitations

  • Complex deployment architecture
  • Heavy Java dependency
  • Steep configuration curve
3/4/2026
Last Update
5,434
Forks
215
Issues
Apache-2.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to cat instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on New Relic)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

Community Discussion

Comments