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AxoSyslog: the syslog-ng fork built by its original developers. Secure, supported, binary-compatible log management with enterprise features.

AxoSyslog, our syslog-ng fork, moves to a single clear open source license: GPL-3.0-or-later. What changes for users and contributors.

Open source tools have been used to implement data collection to feed SIEM and other security systems for decades. We at Axoflow feel that these existing deployments of open source technologies play an important role in the future data supply chains as well.

Receive or send any kinds of OpenTelemetry logs, traces, and metrics with syslog-ng and AxoSyslog 4.3 using OTLP/gRPC

Monitor syslog-ng or AxoSyslog with Prometheus using axosyslog-metrics-exporter. Diagnose message drops and pipeline issues quickly.

How syslog works: message format, severity levels, facilities, transport over UDP, TCP, and TLS, plus reliability mechanisms like buffering.

The starting point of our comprehensive syslog guide, that starts from the basics and covers every aspect of syslog collection, transport, and scaling

syslog-ng in 2023: new features (OpenTelemetry, Google Pub/Sub, Splunk, Grafana Loki, Amazon S3, OpenObserve drivers), contributions, and other developments

Documentation updates for AxoSyslog, the cloud-native syslog-ng distribution: OpenTelemetry support, Splunk HEC destination, eBPF support, and new parsers

What's new in AxoSyslog 4.13-4.17: advanced log formatting, smarter parsing, cloud integrations, and performance tuning for reliable pipelines.

Learn how to install AxoSyslog, our syslog-ng™ fork from our repository on RPM-based Linux distributions like RHEL, Fedora, or AlmaLinux.

Logging operator 4.4 brings multi-tenancy with namespace-based routing, outputs like S3, ElasticSearch, Loki, and Splunk for the syslog-ng aggregator, and more

Six months into AxoSyslog, the binary-compatible syslog-ng fork: development activity, new features, and what's ahead for the project.

AxoSyslog vs syslog-ng, one year on: 17 releases to 5. Compare the 2025–2026 feature additions, FilterX advances, and release cadence of both syslog projects.

AxoSyslog 4.9 adds ClickHouse as a destination: send logs directly to your self-hosted ClickHouse database for efficient storage and analysis.