Try BFA for free today! Get started with a fully featured Bulk Flow Analyst™ trial today! We'll give you 30 days to try out our software and preview our local DEM features. After your 30-day trial, you can continue to use BFA Free version, or you can register for our "pay as you go" DEMcloud® simulations. Click here to request a 30-day trial. Ready to start using DEMcloud®? Register here! Estimate your simulation cost on the cloud!