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Fluent Bit vs Telegraf: catalog facts
Fluent Bit	Telegraf
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	Provides many input and output plugins Connects data sources to monitoring back ends
Only a pipeline; needs a separate backend to store and view data Configuration takes some learning	Requires a separate destination to store and visualize collected data.
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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