Dee's Sea Adventure is educational software for children. It has three mini games that involve matching, hide and seek, and finding the difference.
Biyu's Race is a read-along coloring book. Once painted, each page can be saved or emailed, or you can save and email the entire book at once.
A Web Service API proxy.
Standards-compliant Java persistence via JDO/JPA/REST and RDBMS/MongoDB/Neo4j/Excel/LDAP.