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Offen Fair Web Analytics vs Ackee: catalog facts
Offen Fair Web Analytics	Ackee
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the MIT licence.
Self-hosted	Web, Self-hosted
Visitors can see, delete or opt out of their data End-to-end encrypted usage data	No cookies and a multi-step anonymization process Unlimited domains from one installation
Opt-in only, so it records fewer visits than other tools Uses first-party cookies	Requires running a Node.js server and MongoDB yourself Deliberately minimal compared with marketing analytics suites
Self-hosted	Self-hosted
Open source	Open source
License: Apache-2.0	License: MIT
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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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