Compare software

Seq vs Graylog: catalog facts
Seq	Graylog
Freemium Proprietary software under the Datalust EULA; see the site for license options.	Freemium Open source core is free to self-host, with paid Enterprise and Cloud tiers.
Self-hosted	Self-hosted
Keeps log data on your own infrastructure Logs, traces and metrics in one place	Stream processing lets teams route and act on specific log patterns as they arrive Content packs speed up onboarding for common log sources
Proprietary, not open source You run and maintain the server yourself	Enterprise features and support require a paid tier Self-hosting a log platform at scale needs meaningful server resources
Self-hosted	Self-hosted, Downloadable app
Closed source	Open source
License: Proprietary	License not stated
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 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.