Welcome to the OpenFTA website.

OpenFTA is an advanced tool for fault tree analysis. It has an intuitive front-end which allows the user to construct, modify or analyse fault trees. OpenFTA has been designed to gain wide international acceptance for fault tree analysis, particularly in the aerospace, nuclear, medical equipment and defence fields.

OpenFTA is the open source product name for Formal-FTA, a product developed by Formal Software Construction Limited. The OpenFTA brochure is available in PDF format.

Key Benefits

• Advanced user interface to create and edit fault trees
• Powerful algorithms for determining minimal cuts and failures, including Monte Carlo simulation
• No limits (other than physical) on the numbers of trees and events, and even on the numbers and depths of transferred-in trees
• Cross-platform support (upon request)

All software on this site is covered by the GNU General Public Licence (GPL). It is provided without warranty and may be used free of charge within the terms of the license.