Hsqldb

RazorSQL 3.6
Query, navigate, and manage all major databases. RazorSQL includes a built-in relational database. Connect to other databases via ODBC or JDBC. Drivers are included for all major databases. Run SQL scripts; do SQL programming; visually edit, create, alter, and view tables; visually build queries; import and export data; and browse databases structures. Support for SQL, PL/SQL, Transact SQL, SQL PL, PHP, Java, and 14 other languages is included.
sql, query tool, sql editor, sql client, sql query tool, database query tool, sql gui, sql front end, database navigator, database browser,

JDbMonitor 1.00
JDbMonitor is a tool to monitor & analyze database performance for any Java application without code changes. It provides a GUI client that allows local/remote monitoring of SQL execution in real-time. Minimal performance overhead making it suitable for use in development & production systems. No more debugging with System.currentTimeInMillis() calls between your JDBC code to capture SQL timing, or going through lines of text based SQL log files.
jdbmonitor, jdbc, database, sql, profiler, profiling, java, logging, log, j2ee,

RazorSQL (OSX) 3.6
Query, navigate, update, and manage databases from one tool. RazorSQL includes a built-in relational database. Drivers are included for all major databases. Connect to other databases via JDBC. Run SQL scripts; do SQL programming; visually edit, create, alter, and view tables; visually build queries; import and export data; and browse databases with the navigator. RazorSQL supports 19 programming languages.
sql, query tool, sql editor, sql client, sql query tool, database query tool, sql gui, sql front end, database navigator, database browser,