Sonatype helps open source projects to set up Maven repositories on https://oss.sonatype.org/
'net.sf.javaprinciples.data:data-impl:2.0.9'
<dependency>
<groupId>net.sf.javaprinciples.data</groupId>
<artifactId>data-impl</artifactId>
<version>2.0.9</version>
</dependency>
<dependency org="net.sf.javaprinciples.data" name="data-impl" rev="2.0.9"/>
"net.sf.javaprinciples.data", "data-impl", "2.0.9"