Toolkit for working with and mapping geospatial data
Database Subsetter and Relational Data Browser
Relational database replication tool based on XML Schema
eXist-db is a feature rich Open Source native XML database
ETL engine based on Groovy
Applications for data management
Logging utility for DB2 for LUW written in SQL-PL
Online bibliographic manager for research groups. Zotero-compatible.
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
World's first open source data quality & data preparation project
Database SQL, query tool, using JDBC for Oracle,SQLite,PostgreSQL,etc