* [kafkactl v5.21.0](https://github.com/deviceinsight/kafkactl) – Command-line interface for interacting with Apache Kafka supporting multiple features like auto-completion and protobuf messages.

* [Rdkafka v0.31.0](https://github.com/karafka/rdkafka-ruby) – Modern Kafka client library for Ruby based on librdkafka.