Skip to content
THE OPEN ALTERNATIVE
Esc
navigateopen⌘Jpreview

8 Best Open Source Last9 Alternatives

A curated collection of the 8 best open source and self-hosted alternatives to Last9 in 2026.

Looking for a free, privacy-friendly, or self-hosted replacement for Last9 in 2026? The top open-source alternative is SigNoz — Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane..

Other highly rated open-source Last9 alternatives include OpenObserve, VictoriaMetrics and HyperDX.

31,936

Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

SigNoz preview

Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

21,502

Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.

OpenObserve preview

Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.

17,599

Time series database and monitoring platform compatible with Prometheus, handling billions of metrics with lower resource usage than most alternatives.

VictoriaMetrics preview

Time series database and monitoring platform compatible with Prometheus, handling billions of metrics with lower resource usage than most alternatives.

9,865

Open source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.

HyperDX preview

Open source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.

6,576

Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.

GreptimeDB preview

Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.

4,270

Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.

Uptrace preview

Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.

1,728

Observability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.

Maple preview

Observability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.

1,701

Unified platform for logs, metrics, traces and profiles with native compatibility for popular tools like OpenTelemetry, Prometheus, and Loki. No data silos, no usage limits.

Gigapipe preview

Unified platform for logs, metrics, traces and profiles with native compatibility for popular tools like OpenTelemetry, Prometheus, and Loki. No data silos, no usage limits.

About Last9

Monitoring platform that combines metrics, logs, and traces into a unified view, helping engineering teams debug incidents faster with high-cardinality data support and built-in alerting.