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Telegraf vs Fluentd: catalog facts
Telegraf	Fluentd
Free Free and open source. Hosting, hardware and any external services are separate.	Free Free and open source; commercial support is sold separately by other companies.
Linux, Windows, macOS, Command line	Self-hosted
Provides many input and output plugins Connects data sources to monitoring back ends	More than 500 plugins for inputs and outputs Decouples log sources from storage backends
Requires a separate destination to store and visualize collected data.	Aimed at server infrastructure rather than a single desktop Needs configuration and plugins chosen for each setup
Downloadable app	Self-hosted
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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