Top Open Source Log Management Tools in 2026
A curated collection of the 10 best free and open-source Log Management tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.
SigNoz
Open-source Datadog alternative for full-stack observability
Stars31,936Last commit10d agoLicenseOpen Source
Logfire
AI observability platform for LLMs and apps
Stars4,442Last commit11d agoLicenseMIT
OpenObserve
Open source observability platform for AI era
Stars21,502Last commit10d agoLicenseAGPL-3.0
Maple
Open-source observability for traces, logs & metrics
Stars1,728Last commit10d agoLicenseOpen Source
HyperDX
Open source observability platform for logs, traces and errors
Stars9,865Last commit10d agoLicenseMITGreptimeDB
Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.
Stars6,576Last commit10d agoLicenseApache-2.0Gigapipe
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.
Stars1,701Last commit10d agoLicenseAGPL-3.0Logstash
Open source log collection and processing pipeline
Stars14,927Last commit11d agoLicenseOpen SourceCoroot
eBPF-powered AI observability platform
Stars7,891Last commit19d agoLicenseApache-2.0Elasticsearch
Distributed search & analytics engine
Stars77,869Last commit10d agoLicenseOpen Source
