Problem Solving Process

Collaboration

Actions plan

Feedback

Continuous improvement

Features


Support for standardized and personalized processes

Prowhy supports the most common resolution approaches (Anomaly, PDCA, 8D, 9S) and facilitates escalation. Its modular design allows to create your custom processes.

Team building

Prowhy allows to set up a resolution team. Standard roles are proposed, and it is possible to add as many participants as necessary.

Actions and action plans

Conservatory, corrective, preventive, cause validation or improvement actions are managed through individual or global action plans.

Root Cause Analysis

Prowhy integrates  several root cause analysis tools (Ishikawa diagram, 5 Why, Cause Tree).

Quality tools

Many standard quality tools are available and can be used in the different phases of the process (QQOQCP, Ishikawa diagram, decision matrices...)

Scopes

Scopes allow processes to be managed in a compartmentalized way (e.g. with a customer or a supplier).

Images and documents

Prowhy allows, at all stages of the process, to combine images and documents to illustrate and detail the information.

Authentication

Prowhy allows secure authentication via LDAP.

API and data export

A very complete API allows Prowhy to be easily interfaced with other tools. Data exports (spreadsheet and pdf format) are also available in the application.

Free Software

Prowhy is free software. This means that you have access to the source code, and can study and modify it.

News

Pre-release 4.4 : features allowing the import of data from external sources

2026-01-10 by E. Derethe

New features have been added to enable the import of data from external sources (such as ERP systems), making it easier to integrate Prowhy with existing information systems.
Release 4.3.4 : improve API

2025-10-08 by E. Derethe

Improvements have been made to the Prowhy API, making it easier to interface Prowhy with other tools. Data exports (spreadsheet and PDF formats) are also available within the application.
Release 4.3.0 : tool RCA-list (AUDIT)

2024-09-25 by E. Derethe

An audit module has been developed. It gathers the non-compliances identified during an audit to provide a consistant overview. Each non-compliance can still be addressed independently.
Release 4.2.2-trs

2024-03-01 by E. Derethe

Two new translations of the interface have been added: Spanish and German. They join English and French.
For old version of Prowhy users

2021-04-07 by E. Reubrez

If you are using the old version of Prowhy, a specific data transfer tool has been developed in order to be able to change your version of Prowhy while keeping the data of the old version.
More infos, contact us prowhy@enit.fr

Prowhy4 - V0 is available

2021-04-07 by E. Derethe

Prowhy 4 version V0 is available on : Prowhy 4
Ticket tracking is also available with the link : Support
In development : New version of Prowhy : prowhy 4

2020-09-22 by E. Derethe

The new version of Prowhy will take over all the features of the old one while improving them. New tools such as decision matrices will complement the many existing ones It will now be possible to create a methodology personalized to your structure as well as the acquisition of specific data using customized fields. This new version should be available during 2021
Comming soon - New version de Prowhy !!!

2020-04-01 by E. Derethe

We decided to develop a new version of ProWhy from scratch.
This application will use last versions of Ruby and Ruby on Rails and permit to improve updates, security and performances.
Reminder

2014-12-14 by E. Derethe

ProWhy must be installed on a server.
It is a web application developed with the Ruby On Rails framework that can be installed on any Linux server. The installation on Windows Server is also possible but not documented.
The complete Linux installation documentation is available on this site.
The user has nothing to install on his machine and can use any operating system (windows, linux, ios, android etc...).
Only a recent browser and a connection to the server are required. The application is optimized for Mozilla Firefox, but can also be used with IE, Chrome, Safari, etc...

FREE AT LAST !!!

2014-11-24 by E. Derethe

The web application ProWhy is now a free software.
Distributed under the GNU Affero General Licence.
You can select the 'Informtion/Download' tab of this site to check the requirements and installation procedures.

Informations

Technologies

Prowhy is a "full web" solution developed using the Ruby language, associated with the web application development framework: Ruby on Rails. This allows to centralize the application on a web server. An internet connection as well as a (login, password) are enough to use all the features of Prowhy. Maintenance and version changes are thus facilitated. To benefit from the power of Prowhy, it is necessary to enable JavaScript in browsers using the application. Prowhy is compatible with any type of recent browser and has been optimized for Mozilla FireFox.

Download

You can find all technical informations (code, installation, user manual): Prowhy 4

Ticket tracking is also available with the link: Support

Support the project

Prowhy is developed by a team of professionals as well as an associated community. Customization, evolution, and maintenance of this product will be more effective if supported by users who will be interested in this software. If you consider that this product meets your expectations and want it to improve, you can support us by donations. For any information: prowhy@enit.fr.