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Telegraf vs OpenTelemetry Collector: catalog facts
Telegraf	OpenTelemetry Collector
Free Free and open source. Hosting, hardware and any external services are separate.	Free Free and open source. Hosting, hardware and any external services are separate.
Linux, Windows, macOS, Command line	Linux, Windows, macOS, Command line
Provides many input and output plugins Connects data sources to monitoring back ends	Connects supported receivers and exporters Processes traces, metrics and logs
Requires a separate destination to store and visualize collected data.	It forwards and processes telemetry rather than providing a complete storage dashboard.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is 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 22, 2026

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