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Apache NiFi vs Dagster: catalog facts
Apache NiFi	Dagster
Free Free and open source as an Apache Software Foundation project.	Freemium The open-source core is free; Dagster+ is a paid hosted service.
Web, Self-hosted	Web, Self-hosted
Browser-based visual flow designer Full data provenance and lineage tracking	Asset-based model with lineage and freshness tracking Self-hostable open-source core
Built for server deployments rather than personal use Takes some effort to learn and operate	Aimed at data engineering teams, not general automation Announced merger with Prefect makes the roadmap uncertain
Downloadable app, Self-hosted	Self-hosted, Hosted service
Open source	Open source
License: Apache-2.0	License not stated
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 23, 2026

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