Best open-source security data pipeline tools

Open-source security data pipeline tools you can self-host and inspect. A neutral list of the open-source security data pipeline options in our directory, compared on capabilities, deployment, and sources. We do not crown a single winner; tools are listed alphabetically.

3 tools listed|2026|No editorial scoring|Part of the Security Data Pipeline guide

What this shortlist looks at

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Paid placements, shown separately from the editorial shortlist below and not ranked among it.

Security data fabric platform for intelligent routing and optimization of security telemetry

Pricing: Contact for pricing

Tools listed here

Fluentd

Cloud-native teams wanting a lightweight, proven open-source data collector with a massive plugin ecosystem

Open-source unified data collector and log aggregator from the CNCF ecosystem

Open-source unified data collector and log aggregator from the CNCF ecosystem

Tenzir

Security teams wanting an open-source, security-native data pipeline with transparent code and no vendor lock-in

Open-source security data pipeline with native support for security-specific data formats

Open-source security data pipeline with native support for security-specific data formats

Vector

Teams wanting the highest-performance open-source pipeline with Rust-based reliability for high-throughput data routing

High-performance open-source observability pipeline built in Rust by Datadog

High-performance open-source observability pipeline built in Rust by Datadog

For the full category walkthrough with every tool compared, see the Security Data Pipeline guide.