A powerful, cross platform, SQL database system
Firebird RDBMS offers ANSI SQL features & runs on Linux, Windows & several Unix platforms. Features excellent concurrency & performance & powerful stored procedure & trigger language. WEBSITE link is below, TRACKER is http://tracker.firebirdsql.org
Tag based file manager CLI
A Tag based file management system. Command line interface. User can add tags for files (individually or for the folder). Allows search by tags.
Pythonic Python bindings to the Oracle Berkeley DB-XML database.