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