C++ Qt ORM (Object Relational Mapping) and ODM library
ETL engine based on Groovy
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
Data migration/conversion library based on STX and XSLT transformation
Cross-platform C++ libraries with a network/internet focus.
Open source Extract Transform Load engine written in Java
Servlet framework for creating standalone restful CRUD services