My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
calibre - Ebook manager, viewer & converter
LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
tinyMediaManager - A multi OS media manager written in Java/Swing
Kexi - Kexi | Calligra Suite
Delicious Library - Delicious Library 3: Catalog your books, movies, music, software, toys, tools, electronics, & video games. Archive your life.