queuing: add licenses

README.md

@@ -603,13 +603,13 @@ _See also: [Databases](#databases), [Monitoring](#monitoring)_
 
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-- [ActiveMQ](https://activemq.apache.org/) - Java message broker. ([Source Code](https://github.com/apache/activemq)) `Java`
-- [BeanstalkD](https://beanstalkd.github.io/) - A simple, fast work queue. ([Source Code](https://github.com/beanstalkd/beanstalkd)) `C`
-- [Gearman](http://gearman.org/) - Fast multi-language queuing/job processing platform. ([Source Code](https://github.com/gearman/gearmand)) `C++`
-- [Kafka](https://kafka.apache.org) - Extremely high performance publish/subscribe message system. ([Source Code](https://github.com/apache/kafka)) `Java`
-- [NSQ](https://nsq.io/) - A realtime distributed messaging platform. ([Source Code](https://github.com/nsqio/nsq)) `Go`
+- [ActiveMQ](https://activemq.apache.org/) - Java message broker. ([Source Code](https://github.com/apache/activemq)) `Apache-2.0` `Java`
+- [BeanstalkD](https://beanstalkd.github.io/) - A simple, fast work queue. ([Source Code](https://github.com/beanstalkd/beanstalkd)) `MIT` `C`
+- [Gearman](http://gearman.org/) - Fast multi-language queuing/job processing platform. ([Source Code](https://github.com/gearman/gearmand)) `BSD-3-Clause` `C++`
+- [Kafka](https://kafka.apache.org) - Extremely high performance publish/subscribe message system. ([Source Code](https://github.com/apache/kafka)) `Apache-2.0` `Java`
+- [NSQ](https://nsq.io/) - A realtime distributed messaging platform. ([Source Code](https://github.com/nsqio/nsq)) `MPL-2.0` `Go`
 - [RabbitMQ](https://www.rabbitmq.com/) - Robust, fully featured, cross distro queuing system. ([Source Code](https://github.com/rabbitmq/rabbitmq-server)) `Erlang`
-- [ZeroMQ](https://zeromq.org/) - Lightweight queuing system. ([Source Code](https://github.com/zeromq)) `C++`
+- [ZeroMQ](https://zeromq.org/) - Lightweight queuing system. ([Source Code](https://github.com/zeromq)) `GPL-3.0` `C++`
 
 
 ### Remote Management