Camel core itself is lightweight and can run with a few .jars.
camel-core dependencies for Camel 2.0 or lowercommons-logging-api.jar - API for commons loggingactivation.jar - For Attachments support - Is provided in the JDK core from Java 1.6camel-core dependencies for Camel 2.1 - 2.6commons-logging-api-1.1.jar - API for commons loggingcommons-management-1.0.jar - API for JMXactivation-1.1.jar - For Attachments support - Is provided in the JDK core from Java 1.6camel-core dependencies for Camel 2.7 - 2.8slf4j-api-1.5.11.jar - API for slf4j loggingcommons-management-1.0.jar - API for JMXcamel-core dependencies for Camel 2.9slf4j-api-1.6.1.jar - API for slf4j loggingspring-core.jar, spring-beans.jar, spring-context.jar, spring-aop.jar - All 4 jars needed to use JMX with Camel (subject to change in the future).From Camel 2.9: the Spring JARs are no longer required for using JMX.
All the other Components have a range of 3rd party .jars they depend on. They are listed in the maven pom files which files they require.