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kaf vs Offset Explorer: catalog facts
kaf	Offset Explorer
Free Free and open source under the Apache 2.0 licence.	Freemium Free for personal use, with a paid license for commercial use.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Familiar kubectl-style commands Single Go binary	Browses messages with JSON, XML and Avro formatting Import, export, data generation and message search tools
Command-line only, no graphical interface Requires access to a running Kafka cluster	Closed source Commercial use needs a paid license
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
No account needed	No account 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 1, 2026

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