Community created apps built on top of mifosplatform are stored in source control repository @ https://github.com/openMF/mifosx-community-apps
https://github.com/openMF/mifosx-community-apps/tree/master/IndividualLendingGeneralJavaScript
The reference app is a core part of community release. It is presently used to showcase platform API capabilities and is also used in production by MFIs.