Replace-Xyour much needed alternatives
SigNoz
DEVFull observability stack. Alternative to Datadog.
FREEDOM SCORE5.0Open
✓Is it free?
+1.5✓Open source?
+1.5✓Self-hostable?
+1.0✓Data export?
+0.5✓Free pricing tier?
+0.5RELEVANCE SCORE4.5Active
✓Actively maintained?
+1.5✓Large community?
+1.5✓Has public API?
+1.0✓Commit < 3 months?
+0.5×Stars > 20k?
+0.5About SigNoz
Observability platform backend. Monitor APM details, database spans, application metrics, and traces within clickhouse DB.
WHAT IT DOES WELL
- +Drop-in OpenTelemetry SDK compatibility
- +Powered by blazing fast ClickHouse queries
HONEST PROBLEMS
- ✗Clickhouse cluster overhead requires robust VPS RAM
SELF-HOSTABILITY PROFILE
DifficultyHARD
License typeApache-2.0
💡 "Ideal for modern microservice clusters."
PROJECT METRICS
Repositorygithub.com/signoz/signoz
LicenseApache-2.0
GitHub Stars⭐ 18,400
Last CommitMay 28, 2026
Last VerifiedVerified May 2026