e3value is a stepwise approach to value network design which lies at the core of our value engineering approach.
We maintain several free tools for building and analyzing e3value models:
e3value editor (requires Java)
The original e3value editor
Create e3value models and run Net Value Flow analyses.
e3tool (requires Java)
New extended editor
Open-source editor with sensitivity analysis and fraud assessment.
Web-based editor available via the browser.