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Fluentd

Fluentd unifies logging infrastructure.

Free tierPrice verified 2026-10-03Visit site ↗
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Our verdict

Who it's for

Open-source data collector for unified logging

Who should look elsewhere

Ruby-based (resource use)

Pros

  • +Unified logging layer
  • +Many plugins
  • +CNCF project
  • +Good Kubernetes support
  • +Reliable

Cons

  • −Ruby-based (resource use)
  • −Plugin quality varies
  • −Configuration learning curve
  • −Debugging difficult
  • −Some performance overhead

Key features

  • ✓Log collection
  • ✓Unified logging
  • ✓Plugins
  • ✓Buffering
  • ✓CNCF
  • ✓Open source

Pricing

PlanPriceBillingNotes
Free$0monthUnified logging; 500+ plugins; Reliable delivery

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