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Uptrace vs Seq: catalog facts
Uptrace	Seq
Freemium A free edition or tier is available. Additional features or hosted services require…	Freemium Proprietary software under the Datalust EULA; see the site for license options.
Self-hosted	Self-hosted
Provides linked observability views Offers a self-hosted deployment	Keeps log data on your own infrastructure Logs, traces and metrics in one place
Requires telemetry instrumentation and a supported storage setup.	Proprietary, not open source You run and maintain the server yourself
Self-hosted	Self-hosted
Open source	Closed source
License: AGPL-3.0	License: Proprietary
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 24, 2026

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