Usability Planner is a tool has been created by Nigel Bevan (Usability Professional Services), Xavier Ferré (Universidad Politécnica de Madrid) and Tomás Antón Escobar (Universidad Politécnica de Madrid) from an original idea by Nigel Bevan.

It is offered as it is, with no warranty of any kind. The tool and its source code are offered under the terms of GNU General Public License version 3.

Usability Planner has been evolving (and it will continue to) thanks to the feedback collected from the different usability experts and usability-aware developers that have provided their feedback at different venues. Many thanks to the numerous people who have given feedback on the different prototypes of the tool.

We welcome your comments at feedback@usabilityplanner.org

Additional information on the principles behind the tool can be found in the following publications: