The following open source projects are referenced by Support Logging:

Spring Cloud (Apache 2.0) - http://projects.spring.io/spring-cloud/
https://github.com/spring-cloud/spring-cloud-release/blob/master/LICENSE.txt

Spring Boot (Apache 2.0) - https://projects.spring.io/spring-boot/
https://github.com/spring-projects/spring-boot/blob/master/LICENSE.txt

Spring Framework (Apache 2.0) - http://projects.spring.io/spring-framework/
https://github.com/spring-projects/spring-framework

SLF4J (MIT) - org.slf4j
https://www.slf4j.org/license.html

LOGBack ( dual-licensed under the EPL v1.0 and the LGPL 2.1) - https://logback.qos.ch/
https://logback.qos.ch/license.html