TTT Data Systems Pty Ltd
4/12 Toormina Place
Coffs Harbour
NSW, 2450, Australia

ABN: 11 095 440 075

Phone: +61 2 6601 7453

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4th Dimension or 4D is a Relational Database Management System (RDBMS) and Integrated Development Environment (IDE) developed by Laurent Ribardière in 1984 for Apple Macintosh computer. Since 1995 4D supports Microsoft Windows as well.

4D came a long way since 1984 and "A History of Innovation" is worth to read.

With 4D the possibilities are almost endless as the list of users shows.