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Elastic Stack vs ABC: catalog facts
Elastic Stack	ABC
Freemium Components can be downloaded for free; hosted service and advanced features are paid.	Free Free and open source under the Apache 2.0 licence.
Self-hosted	Windows, macOS, Linux, Command line
Long-established standard for central log analytics Ingests data from many sources and formats	Imports from Postgres, SQL and MongoDB into Elasticsearch Minimal configuration for imports
Several separate services to deploy and maintain Some features are only available from Elastic's paid offerings	Parts of it are tied to the appbase.io service Command line only
Self-hosted, Hosted service	Downloadable app
Closed source	Open source
License not stated	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 23, 2026	Official website Full listing and sources Checked October 2, 2026

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