realm /realm-javaJava11K1.7KRealm is a mobile database: a replacement for SQLite & ORMsjavaandroiddatabasemobile
iboxdb /db4o-gplJava319new Db4o GPL Source Code for Java7+ & .netstardard2.0 Android Xamarin..., the best database project to help you to learn how to make databasesoodbdb4odatabasejava