Technical Articles

This section allows us to share what we at EpiConcept are working on with some of our projects. It's for publishing technical descriptions on the technologies used or those that we are testing. This section is addressed specifically to technical folks. Most of our technical documents are in French. Please see this section in French.

last updated: 17-Jul-2015
There is a myth that the idea of off-line data collection/manipulation and on-line data systems is easily solved through "synchronisation".

Application download

Version 3.4.5

Voozanoo™ is the Linux/Apache/MySQL/PHP framework used by EpiConcept to develop custom survey and information systems. If you have a good understanding of the LAMP stack, you can download the Voozanoo™ source here (version 3.4.5). For experienced developers, we can answer your technical questions (, but for people who do not have LAMP IT expertise, we do not have the resources to hand-hold you through an installation.


Copyright 2001-2015 Epiconcept

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation - version 2


This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License in the file COPYING (on the root of the download) for more details.

You will find a copy of the GNU General Public License along with this program. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.

Special mention concerning JPGRAPH
As a special exception, you have permission to link this program with the JPGRAPH libraries and distribute executables,as long as you follow the requirements of the GNU GPL in regard to all of the software in the executable aside from JPGRAPH.

Contact if you have any questions.

By downloading this software, you are agreeing to the license terms. Download Voozanoo 3.4.5