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Welcome to the LEAP RDBMS home page.

LEAP is a full open source project: It's free to download; It's free to use; you have full access to the source code; and you can do what you like with it.

These web pages aim to introduce the curious browser to the various features found in LEAP. Existing users will find all the recent news and announcements.

What is LEAP?

LEAP is an RDBMS (Relational Database Management System). It is used as an educational tool around the world to help students, and assist researchers and teachers as they study and teach databases.

How come it's free? Because it is distributed under the terms of the GNU General Public License, and no charge is made or expected. Whilst all distributions contain the full 'C' source code, you don't need to be a programmer to be up and running - it's known to compile and run without problems on practically all major Unix implementations. A Windows 95/NT GUI is also now available, which is precompiled and easy to get up and running..

There's a mailing list for users to ask questions and receive announcements, and a full demonstration of LEAP is available online.


Recent News in Brief:

The book "Theory and Practice of Relational Databases", featuring a chapter on LEAP, is now available! See the Books section for more details.

LEAP 1.2.6 has now been released! See the Sourceforge download page.

The New LEAP website is now up and running, id like to thank FourFusion for the job they have done on the site.

The LEAP CVS tree is now publicly available.

There is a new download site for LEAP at sourceforge

You can now search for the closest FTP server holding the standard LEAP 1.2.6 source distribution, or for the closest Windows NT/95 distribution (1.2.5). Also via

A full demonstration of LEAP 1.2 is available online.


Downloading Leap!

To download a copy of LEAP, click the "Downloading" link.

LEAP is developed on a GNU/Linux SuSE 7.1 system, and is known to run on Linux, Solaris, SunOS, HP-UX, Ultrix, IRIX, AIX, OSF1, BeOS, Free BSD, and Windows 95, Windows NT.

Software downloaded from this site is covered by the warranty and conditions detailed in the GNU General Public License. Please make sure that you READ IT and understand its implications. Full details are in the file COPYING in the distributions, and from the Free Software Foundation web site.

These pages are constantly being updated for accuracy to reflect the latest release of LEAP. Please let me know if you discover any incorrect links, browser incompatibilities, or feel there is room for improvement

Last Updated: Monday, 21st November, 2004

LEAP Richard Leyton 1995-2004. All Rights Reserved.
Web Design FourFusion 2000-2001
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Design by Jamie of Four Fusion