'How to setup Rest proxy on kafka clusture (excluding confluent or any other third party licensed )?

Every search returns the Confluent pages for Kafka REST proxy.

Is there any other way to setup with the vanilla application or any open source ones?

Solution 1:^[1]

I think the community licensed ones are free to you use. Please check the following page https://docs.confluent.io/platform/current/installation/docker/image-reference.html

Also you can consider this : https://strimzi.io/docs/bridge/latest/#api_reference-bridge if you need only a bridge for integration.

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Solution	Source
Solution 1	Valath