The following dependencies have been used for different versions of VBU. All dependencies are not used in the latest version.

Dependency License
activation-1.1.jar Common Development and Distribution License (CDDL) v1.0
antlr-2.7.7.jar BSD License
aopalliance-1.0.jar Public Domain
bcprov-jdk15on-1.57.jar Bouncy Castle
c3p0-0.9.1.1.jar GNU Lesser General Public License, Version 2.1
classmate-1.1.0.jar The Apache Software License, Version 2.0
commons-codec-1.6.jar The Apache Software License, Version 2.0
commons-collections-3.2.1.jar The Apache Software License, Version 2.0
commons-fileupload-1.3.1.jar The Apache Software License, Version 2.0
commons-io-2.2.jar The Apache Software License, Version 2.0
commons-io-2.4.jar The Apache Software License, Version 2.0
commons-jxpath-1.3.jar The Apache Software License, Version 2.0
commons-lang-2.6.jar The Apache Software License, Version 2.0
commons-logging-1.2.jar The Apache Software License, Version 2.0
commons-net-3.5.jar The Apache Software License, Version 2.0
dom4j-1.6.1.jar BSD License
geronimo-jta_1.1_spec-1.1.1.jar The Apache Software License, Version 2.0
hibernate-commons-annotations-5.0.0.Final.jar GNU Lesser General Public License, Version 2.1
hibernate-core-5.0.2.Final.jar GNU Lesser General Public License, Version 2.1
hibernate-entitymanager-5.0.2.Final.jar GNU Lesser General Public License, Version 2.1
hibernate-jpa-2.1-api-1.0.0.Final.jar Eclipse Public License (EPL), Version 1.0
Eclipse Distribution License (EDL), Version 1.0
hibernate-validator-5.2.4.Final.jar The Apache Software License, Version 2.0
HikariCP-2.4.1.jar The Apache Software License, Version 2.0
httpclient-4.3.5.jar The Apache Software License, Version 2.0
httpcore-4.3.2.jar The Apache Software License, Version 2.0
jackson-annotations-2.6.0.jar The Apache Software License, Version 2.0
jackson-core-2.6.3.jar The Apache Software License, Version 2.0
jackson-core-asl-1.9.2.jar The Apache Software License, Version 2.0
jackson-databind-2.6.3.jar The Apache Software License, Version 2.0
jackson-mapper-asl-1.9.2.jar The Apache Software License, Version 2.0
jackson-xc-1.9.2.jar The Apache Software License, Version 2.0
jackson-xml-databind-0.6.2.jar The Apache Software License, Version 2.0
jandex-1.2.2.Final.jar The Apache Software License, Version 2.0
javassist-3.19.0-GA.jar MPL 1.1
GNU Lesser General Public License, Version 2.1
The Apache Software License, Version 2.0
javax.servlet-api-3.1.0.jar CDDL + GPLv2 with classpath exception
jboss-logging-3.2.1.Final.jar The Apache Software License, Version 2.0
jcifs-1.3.18.2.jar GNU Lesser General Public License, Version 2.1
jstl-1.2.jar CDDL + GPLv2 with classpath exception
jt400-6.7.jar IBM Public License Version 1.0
jtds-1.3.1.jar GNU Lesser General Public License, Version 3.0
log4j-1.2.17.jar The Apache Software License, Version 2.0
logback-access-1.1.7.jar Eclipse Public License 1.0
GNU Lesser General Public License version 2.1
logback-classic-1.1.7.jar Eclipse Public License 1.0
GNU Lesser General Public License version 2.1
logback-core-1.1.7.jar Eclipse Public License 1.0
GNU Lesser General Public License version 2.1
mail-1.4.7.jar CDDL
GNU General Public License version 2.0
mariadb-java-client-2.0.2.jar GNU Lesser General Public License, Version 2.1
mbassador-1.3.0.jar MIT License
mysql-connector-java-5.1.38.jar GNU General Public License version 2.0
ognl-3.0.11.jar The Apache Software License, Version 2.0
org.apache.sling.commons.json-2.0.16.jar The Apache Software License, Version 2.0
postgresql-9.4-1204-jdbc42.jar The PostgreSQL License
quartz-2.2.2.jar The Apache Software License, Version 2.0
slf4j-api-1.7.12.jar MIT License
slf4j-log4j12-1.7.12.jar MIT License
slf4j-simple-1.7.12.jar MIT License
smbj-0.6.0.jar The Apache Software License, Version 2.0
spring-aop-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-beans-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-context-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-context-support-4.2.3.RELEASE.jar The Apache Software License, Version 2.0
spring-core-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-expression-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-integration-core-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-integration-mail-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-jdbc-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-messaging-4.2.3.RELEASE.jar The Apache Software License, Version 2.0
spring-orm-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-retry-1.1.2.RELEASE.jar The Apache Software License, Version 2.0
spring-security-config-4.0.2.RELEASE.jar The Apache Software License, Version 2.0
spring-security-core-4.0.2.RELEASE.jar The Apache Software License, Version 2.0
spring-security-web-4.0.2.RELEASE.jar The Apache Software License, Version 2.0
spring-tx-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-tx-4.2.3.RELEASE.jar The Apache Software License, Version 2.0
spring-web-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
spring-webmvc-4.2.2.RELEASE.jar The Apache Software License, Version 2.0
stax-api-1.0-2.jar The Apache Software License, Version 2.0
stax2-api-3.1.0.jar The Apache Software License, Version 2.0
thymeleaf-2.1.4.RELEASE.jar The Apache Software License, Version 2.0
thymeleaf-extras-springsecurity4-2.1.2.RELEASE.jar The Apache Software License, Version 2.0
thymeleaf-spring4-2.1.4.RELEASE.jar The Apache Software License, Version 2.0
unbescape-1.1.1.RELEASE.jar The Apache Software License, Version 2.0
validation-api-1.1.0.Final.jar The Apache Software License, Version 2.0
xml-apis-1.0.b2.jar The Apache Software License, Version 2.0
xmlpull-1.1.3.1.jar Public Domain
xpp3_min-1.1.4c.jar Creative Commons Universal 1.0
xstream-1.4.8.jar BSD