...
- The module is used by X-number of installations (2? 3? 4?)
- The module has one two or more formally publicized "owners"
- The module has an integration-test framework in-place
- The module has a unit-test framework in-place
- The module has a package namespace of org.fcrepo.<something-relevant> (if java)
- The module has a parent pom of fcrepo-parent/pom.xml (if java)