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Fluent BitOpenTelemetry Collector
Free

Free and open source.

 Free

Free and open source. Hosting, hardware and any external services are separate.

Linux, Self-hosted Linux, Windows, macOS, Command line
  • Small footprint for an agent
  • Native OpenTelemetry input and output
  • Connects supported receivers and exporters
  • Processes traces, metrics and logs
  • Only a pipeline; needs a separate backend to store and view data
  • Configuration takes some learning
  • It forwards and processes telemetry rather than providing a complete storage dashboard.
Downloadable app, Self-hosted Downloadable app
Open source Open source
License not stated License: Apache-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 24, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.