This project uses GIT to manage its source code. Instructions on GIT use can be found at http://git-scm.com/documentation.
The source can be checked out anonymously from GIT with this command (See http://git-scm.com/docs/git-clone):
$ git clone git://github.com/spring-projects/spring-boot.git/spring-boot-tools/spring-boot-maven-plugin
Only project developers can access the GIT tree via this method (See http://git-scm.com/docs/git-clone).
$ git clone ssh://[email protected]/spring-projects/spring-boot.git/spring-boot-tools/spring-boot-maven-plugin