A complete IndexedDB wrapper with SQL like syntax
Apache Drill is a distributed MPP query layer for self describing data
An object relational-mapping (ORM) library for Java
java bean / database driven zero code application framework
Dump Sheets in your DB
Declarative rich internet application platform
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
Database SQL, query tool, using JDBC for Oracle,SQLite,PostgreSQL,etc
CrNiCKL (chronicle) is a Java database for time series
Moved to GitHub: https://github.com/makumba
Lightweight DB programming API for PHP and multiple DB engine targets.
Moved to tSQLt.org (Database Unit Testing for Microsoft SQL Server)