1. Build Helper Plugin -- http://mojo.codehaus.org/build-helper-maven-plugin/
2. Remote reources plugin: http://maven.apache.org/plugins/maven-remote-resources-plugin/supplemental-models.html
3. Antrun plugin: http://maven.apache.org/plugins/maven-antrun-plugin/
4. Exec plugin : http://mojo.codehaus.org/exec-maven-plugin/